Pressure — Paper 1 · IGCSE Physics 0625

12 A water manometer is used to measure the pressure of a gas supply to a house. It gives a reading of h cm of water. gas supply h cm Why is it better to use water rather than mercury in this manometer? A h would be too large if mercury were used. B h would be too small if mercury were used. C The tube would need to be narrower if mercury were used. D The tube would need to be wider if mercury were used.

1 marks

Answer: B

This question in 0625/11 May/June 2005

13 A farmer has two carts. The carts have the same weight, but one has four narrow wheels and the other has four wide wheels. narrow wheel wide wheel In rainy weather, which cart sinks less into soft ground, and why? cart wheels why A narrow greater pressure on the ground B narrow less pressure on the ground C wide greater pressure on the ground D wide less pressure on the ground

1 marks

Answer: D

This question in 0625/11 May/June 2005

15 A measured mass of gas is placed in a cylinder at atmospheric pressure and is then slowly compressed. piston gas piston pushed in The temperature of the gas does not change. What happens to the pressure of the gas? A It drops to zero. B It decreases, but not to zero. C It stays the same. D It increases.

1 marks

Answer: D

This question in 0625/11 May/June 2005

17 An experiment is set up as shown. pressure gauge air flask water heat What does the pressure gauge show as the air in the flask becomes hotter? A a steady pressure B a decrease in pressure C an increase in pressure D an increase and then a decrease in pressure

1 marks

Answer: C

This question in 0625/11 May/June 2005

11 Four blocks, each weighing 10 N, rest on a horizontal table. Which block applies the greatest pressure on the table? A B C D table 10 N 10 N 10 N 10 N

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2005

12 The diagram shows a mercury barometer. 25 cm mercury 75 cm 5 cm Which distance is used to calculate the pressure of the atmosphere? A 25 cm B 75 cm C 80 cm D 100 cm

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2005

11 The diagram shows a thick sheet of glass. Which edge must it stand on to cause the greatest pressure? A B D C

1 marks

Answer: B

This question in 0625/11 May/June 2006

12 A manometer is being used to measure the pressure of the gas inside a tank. A, B, C and D show the manometer at different times. At which time is the gas pressure inside the tank greatest? A B C D gas

1 marks

Answer: D

This question in 0625/11 May/June 2006

12 A pressure is measured using a manometer as shown in the diagram. pressure to be measured h water The water in the manometer is replaced with a liquid which is more dense. How does the value of h change? A It becomes zero. B It decreases, but not to zero. C It stays the same. D It increases.

1 marks

Answer: B

This question in 0625/11 May/June 2007

13 A cylinder is filled with a gas and then sealed, so that the gas has a fixed volume. The gas molecules are given energy so that their average speed increases. What happens to the pressure and to the temperature of the gas in the cylinder? pressure temperature A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: D

This question in 0625/11 May/June 2007

13 The diagram shows a simple mercury barometer, used to measure atmospheric pressure. P L mercury Atmospheric pressure increases. What happens to the level L and to the pressure at P? level L pressure at P A falls increases B falls stays the same C rises increases D rises stays the same

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2007

14 The gas in a container is heated but is kept at constant volume. Why does the gas pressure increase? A The molecules expand. B The molecules increase in mass. C The molecules move further apart. D The molecules move more rapidly.

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2007

12 A manometer is used to indicate the pressure in a steel vessel, as shown in the diagram. liquid manometer steel vessel What value does the liquid manometer give for the pressure in the vessel? A It is zero. B It is between zero and atmospheric pressure. C It is equal to atmospheric pressure. D It is greater than atmospheric pressure.

1 marks

Answer: C

This question in 0625/11 May/June 2008

13 Four glass tanks contain water. In which tank is the pressure of the water on the base greatest? A B C D 4 m 3 m 6 m 2 m 3 m 4 m 1 m 4 m 2 m 2 m 2 m 6 m

1 marks

Answer: A

This question in 0625/11 May/June 2008

15 Air is pumped slowly into a car tyre to increase the pressure. The temperature of the air does not change. Which line in the table is correct? number of molecules hitting 1 cm2 of the average speed at which molecules hit the tyre tyre each second A increases increases B increases unchanged C unchanged increases D unchanged unchanged

1 marks

Answer: B

This question in 0625/11 May/June 2008

12 The diagram shows a simple mercury barometer used to measure atmospheric pressure. P mercury Q Which statement is correct? A The pressure at P is atmospheric pressure. B The pressure at P is nearly zero. C The pressure at Q is lower than the pressure at P. D The pressure at Q is nearly zero.

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2008

13 A brick with rectangular sides rests on a table. brick table The brick is now turned so that it rests on the table on its smallest face. How has this change affected the force and the pressure exerted by the brick on the table? force pressure A unchanged unchanged B increased unchanged C unchanged increased D increased increased

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2008

11 The diagrams show two mercury barometers standing side by side. The right-hand diagram shows a tube of bigger diameter, but the diagram is incomplete. There is a vacuum above the mercury in both tubes. Which labelled position on the right-hand tube could show the mercury level in that tube? vacuum A B C glass tubes D dish mercury dish

1 marks

Answer: B

This question in 0625/11 May/June 2009

12 A student fills two containers with water (density 1.0 g / cm3) and two with oil (density 0.8 g / cm3), as shown in the diagrams. In which container is the pressure on the base the greatest? A B C D water oil water oil

1 marks

Answer: A

This question in 0625/11 May/June 2009

11 A water manometer is used to measure the pressure of a gas supply to a house. It gives a reading of h cm of water. gas supply h cm Why is it better to use water rather than mercury in this manometer? A h would be too large if mercury were used. B h would be too small if mercury were used. C The tube would need to be narrower if mercury were used. D The tube would need to be wider if mercury were used.

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2009

12 The diagrams show two swimming pools. One contains fresh water and the other contains salt water. Salt water is more dense than fresh water. At which labelled point is the pressure the greatest? water surface water surface A C B D fresh water (less dense) salt water (more dense)

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2009

14 A small amount of air is introduced into the vacuum above the mercury in a mercury barometer tube. The mercury level goes down. Why does the mercury level go down? A The air molecules cool the mercury and make it contract. B The air molecules decrease the pressure above the mercury. C The air molecules heat the mercury and make it expand. D The air molecules increase the pressure above the mercury.

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2009

11 The diagrams show two swimming pools. One contains fresh water and the other contains salt water. Salt water is more dense than fresh water. At which labelled point is the pressure the greatest? water surface water surface A C B D fresh water (less dense) salt water (more dense)

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2009

12 A water manometer is used to measure the pressure of a gas supply to a house. It gives a reading of h cm of water. gas supply h cm Why is it better to use water rather than mercury in this manometer? A h would be too large if mercury were used. B h would be too small if mercury were used. C The tube would need to be narrower if mercury were used. D The tube would need to be wider if mercury were used.

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2009

16 A small amount of air is introduced into the vacuum above the mercury in a mercury barometer tube. The mercury level goes down. Why does the mercury level go down? A The air molecules cool the mercury and make it contract. B The air molecules decrease the pressure above the mercury. C The air molecules heat the mercury and make it expand. D The air molecules increase the pressure above the mercury.

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2009

12 To prevent a cement mixer sinking into soft ground, the mixer is placed on a large flat board. cement mixer board soft ground Why does this prevent the mixer sinking? A The large area decreases the pressure on the ground. B The large area increases the pressure on the ground. C The large area decreases the weight on the ground. D The large area increases the weight on the ground.

1 marks

Answer: A

This question in 0625/11 May/June 2010

13 The pressure of a gas is measured using a manometer as shown in the diagram. pressure to be measured h mercury The mercury in the manometer is replaced with a liquid which is less dense. How does the value of h change? A It becomes zero. B It decreases, but not to zero. C It stays the same. D It increases.

1 marks

Answer: D

This question in 0625/11 May/June 2010

11 To prevent a cement mixer sinking into soft ground, the mixer is placed on a large flat board. cement mixer board soft ground Why does this prevent the mixer sinking? A The large area decreases the pressure on the ground. B The large area increases the pressure on the ground. C The large area decreases the weight on the ground. D The large area increases the weight on the ground.

1 marks

Answer: A

This question in 0625/12 May/June 2010

12 The pressure of a gas is measured using a manometer as shown in the diagram. pressure to be measured h mercury The mercury in the manometer is replaced with a liquid which is less dense. How does the value of h change? A It becomes zero. B It decreases, but not to zero. C It stays the same. D It increases.

1 marks

Answer: D

This question in 0625/12 May/June 2010

12 What is a simple mercury barometer designed to measure? A the pressure beneath a liquid B the pressure of a gas supply C the pressure of car tyres D the pressure of the atmosphere

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2010

13 Liquid X has a density of 1010 kg / m3. Liquid Y has a density of 950 kg / m3. The liquids are poured into tubes as shown. Which tube has the greatest pressure on its base? A B C D liquid X liquid Y liquid X liquid Y

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2010

4 What is a simple mercury barometer designed to measure? A the pressure beneath a liquid B the pressure of a gas supply C the pressure of car tyres D the pressure of the atmosphere

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2010

12 Liquid X has a density of 1010 kg / m3. Liquid Y has a density of 950 kg / m3. The liquids are poured into tubes as shown. Which tube has the greatest pressure on its base? A B C D liquid X liquid Y liquid X liquid Y

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2010

2 Liquid X has a density of 1010 kg / m3. Liquid Y has a density of 950 kg / m3. The liquids are poured into tubes as shown. Which tube has the greatest pressure on its base? A B C D liquid X liquid Y liquid X liquid Y

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2010

3 What is a simple mercury barometer designed to measure? A the pressure beneath a liquid B the pressure of a gas supply C the pressure of car tyres D the pressure of the atmosphere

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2010

11 A brick with flat, rectangular sides rests on a table. brick table The brick is now turned so that it rests on the table on its smallest face. How has this affected the force and the pressure exerted by the brick on the table? force pressure A increased increased B increased unchanged C unchanged increased D unchanged unchanged

1 marks

Answer: C

This question in 0625/11 May/June 2011

12 The diagram shows two mercury barometers. Barometer 1 is measuring atmospheric pressure on day 1. Barometer 2 is measuring atmospheric pressure on day 2. mercury point X point Y barometer 1, day 1 barometer 2, day 2 Which statement is true? A The atmospheric pressure on day 1 is less than the atmospheric pressure on day 2. B The atmospheric pressure on day 1 is the same as the atmospheric pressure on day 2. C The pressure at point X is less than the pressure at point Y. D The pressure at point X is the same as the pressure at point Y.

1 marks

Answer: D

This question in 0625/11 May/June 2011

13 A sealed gas cylinder is left outside on a hot, sunny day. What happens to the average speed of the molecules and to the pressure of the gas in the cylinder as the temperature rises? average speed of gas pressure the gas molecules A falls falls B falls rises C rises falls D rises rises

1 marks

Answer: D

This question in 0625/11 May/June 2011

13 A sealed gas cylinder is left outside on a hot, sunny day. What happens to the average speed of the molecules and to the pressure of the gas in the cylinder as the temperature rises? average speed of gas pressure the gas molecules A falls falls B falls rises C rises falls D rises rises

1 marks

Answer: D

This question in 0625/12 May/June 2011

14 The diagram shows two mercury barometers. Barometer 1 is measuring atmospheric pressure on day 1. Barometer 2 is measuring atmospheric pressure on day 2. mercury point X point Y barometer 1, day 1 barometer 2, day 2 Which statement is true? A The atmospheric pressure on day 1 is less than the atmospheric pressure on day 2. B The atmospheric pressure on day 1 is the same as the atmospheric pressure on day 2. C The pressure at point X is less than the pressure at point Y. D The pressure at point X is the same as the pressure at point Y.

1 marks

Answer: D

This question in 0625/12 May/June 2011

16 A brick with flat, rectangular sides rests on a table. brick table The brick is now turned so that it rests on the table on its smallest face. How has this affected the force and the pressure exerted by the brick on the table? force pressure A increased increased B increased unchanged C unchanged increased D unchanged unchanged

1 marks

Answer: C

This question in 0625/12 May/June 2011

13 A sealed gas cylinder is left outside on a hot, sunny day. What happens to the average speed of the molecules and to the pressure of the gas in the cylinder as the temperature rises? average speed of gas pressure the gas molecules A falls falls B falls rises C rises falls D rises rises

1 marks

Answer: D

This question in 0625/13 May/June 2011

14 The diagram shows two mercury barometers. Barometer 1 is measuring atmospheric pressure on day 1. Barometer 2 is measuring atmospheric pressure on day 2. mercury point X point Y barometer 1, day 1 barometer 2, day 2 Which statement is true? A The atmospheric pressure on day 1 is less than the atmospheric pressure on day 2. B The atmospheric pressure on day 1 is the same as the atmospheric pressure on day 2. C The pressure at point X is less than the pressure at point Y. D The pressure at point X is the same as the pressure at point Y.

1 marks

Answer: D

This question in 0625/13 May/June 2011

16 A brick with flat, rectangular sides rests on a table. brick table The brick is now turned so that it rests on the table on its smallest face. How has this affected the force and the pressure exerted by the brick on the table? force pressure A increased increased B increased unchanged C unchanged increased D unchanged unchanged

1 marks

Answer: C

This question in 0625/13 May/June 2011

12 The diagram shows a mercury barometer. 25 cm mercury 75 cm 5 cm Which distance is used to calculate the pressure of the atmosphere? A 25 cm B 75 cm C 80 cm D 100 cm

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2012

13 A heavy table has six legs. The area of cross-section of each leg is X. The legs of the table make marks in a carpet. These marks become deeper with increased pressure. What would reduce the depth of the marks for a table of a fixed weight? A using three legs, each of an area smaller than X B using four legs, each of an area the same as X C using six legs, each of an area smaller than X D using eight legs, each of an area the same as X

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2012

7 A heavy table has six legs. The area of cross-section of each leg is X. The legs of the table make marks in a carpet. These marks become deeper with increased pressure. What would reduce the depth of the marks for a table of a fixed weight? A using three legs, each of an area smaller than X B using four legs, each of an area the same as X C using six legs, each of an area smaller than X D using eight legs, each of an area the same as X

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2012

8 The diagram shows a mercury barometer. 25 cm mercury 75 cm 5 cm Which distance is used to calculate the pressure of the atmosphere? A 25 cm B 75 cm C 80 cm D 100 cm

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2012

12 The diagram shows a mercury barometer. 25 cm mercury 75 cm 5 cm Which distance is used to calculate the pressure of the atmosphere? A 25 cm B 75 cm C 80 cm D 100 cm

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2012

13 A dam across a lake is divided into two sections by a rock. Section X is longer than section Y but the two sections are otherwise identical. The water in the lake by the dam is the same depth everywhere. The diagram shows a view from above of the lake and the dam. section X of dam water in lake rock section Y of dam The water creates a force on each section of the dam and a pressure on each section of the dam. Which statement is correct? A The force on X equals the force on Y. B The force on X is less than the force on Y. C The pressure on X equals the pressure on Y. D The pressure on X is less than the pressure on Y.

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2012

14 A car tyre contains a constant volume of air. During use, the air gets hotter and the air pressure increases. What explains this increase in pressure in terms of the motion of air molecules? number of air force between air number of collisions per second molecules in tyre molecules and tyre wall between air molecules and tyre wall A increased increased decreased B increased unchanged decreased C unchanged increased increased D unchanged unchanged increased

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2012

11 A man stands on the ground. Which action will increase the pressure that the man exerts on the ground? A The man slowly bends his knees. B The man slowly lies down on the ground. C The man slowly raises his arms. D The man slowly raises one foot off the ground.

1 marks

Answer: D

This question in 0625/11 May/June 2013

12 The diagram shows a simple mercury barometer. cm vacuum 90 80 metre rule 70 60 50 40 30 20 10 mercury Which length is used to find the value of atmospheric pressure? A 12 cm B 74 cm C 86 cm D 100 cm

1 marks

Answer: B

This question in 0625/11 May/June 2013

11 A mercury manometer is used to measure a pressure difference. The difference is shown by the levels X and Y in the diagram. mm 100 Y 90 80 70 60 50 mercury 40 30 20 10 X 0 What is the pressure difference represented by X and Y? A 5 mm of mercury B 50 mm of mercury C 90 mm of mercury D 95 mm of mercury

1 marks

Answer: C

This question in 0625/12 May/June 2013

12 The diagrams show the actual size of the heels of four different lady’s shoes, as seen from underneath the shoe. Which heel is most likely to cause damage to floors? A B C D

1 marks

Answer: A

This question in 0625/12 May/June 2013

10 A man stands on the ground. Which action will increase the pressure that the man exerts on the ground? A The man slowly bends his knees. B The man slowly lies down on the ground. C The man slowly raises his arms. D The man slowly raises one foot off the ground.

1 marks

Answer: D

This question in 0625/13 May/June 2013

12 The diagram shows a simple mercury barometer. cm vacuum 90 80 metre rule 70 60 50 40 30 20 10 mercury Which length is used to find the value of atmospheric pressure? A 12 cm B 74 cm C 86 cm D 100 cm

1 marks

Answer: B

This question in 0625/13 May/June 2013

11 A drawing pin (thumb tack) has a sharp point and a flat end. sharp point flat end The pin is pushed into a wooden board. How do the pressure and the force at the sharp point compare with the pressure and the force at the flat end? force at the sharp point pressure at the sharp point A greater than at the flat end greater than at the flat end B greater than at the flat end less than at the flat end C the same as at the flat end greater than at the flat end D the same as at the flat end less than at the flat end

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2013

12 The diagrams show four divers at the bottom of four different swimming pools. Two swimming pools contain fresh water and two contain salt water. Fresh water is less dense than salt water. Which diver feels the least pressure from the water? A B C D fresh fresh salt salt water water water water

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2013

13 The diagram shows a sealed jar containing a gas. gas Which statement about the gas in the jar is correct? A The gas molecules collide with the inside of the jar more often as the temperature increases. B The gas molecules move more slowly as the temperature increases. C The pressure of the gas decreases as the temperature increases. D The pressure of the gas is higher at the top of the jar than at the bottom of the jar.

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2013

11 A drawing pin (thumb tack) has a sharp point and a flat end. sharp point flat end The pin is pushed into a wooden board. How do the pressure and the force at the sharp point compare with the pressure and the force at the flat end? force at the sharp point pressure at the sharp point A greater than at the flat end greater than at the flat end B greater than at the flat end less than at the flat end C the same as at the flat end greater than at the flat end D the same as at the flat end less than at the flat end

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2013

12 The diagrams show four divers at the bottom of four different swimming pools. Two swimming pools contain fresh water and two contain salt water. Fresh water is less dense than salt water. Which diver feels the least pressure from the water? A B C D fresh fresh salt salt water water water water

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2013

14 The diagram shows a sealed jar containing a gas. gas Which statement about the gas in the jar is correct? A The gas molecules collide with the inside of the jar more often as the temperature increases. B The gas molecules move more slowly as the temperature increases. C The pressure of the gas decreases as the temperature increases. D The pressure of the gas is higher at the top of the jar than at the bottom of the jar.

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2013

11 It is dangerous for submarines to dive to very great depths. Why is it dangerous? A The density of water is less at greater depths. B The pressure of water is greater at greater depths. C The temperature of water is higher at greater depths. D The weight of the submarine is greater at greater depths.

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2013

12 Which block exerts the greatest pressure on the surface below it? A B C D area 10 cm2 area 10 cm2 area 20 cm2 area 20 cm2 weight weight weight 200 200 N 200 N weight weight weight weight weight weight 100 100 N 100 N weight weight weight 200 200 N 200 N 100 100 N 100 N

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2013

10 Which situation is an example of a force acting over a large area to produce a small pressure? A a builder hammering a nail into a piece of wood B a cook using a sharp knife to cut vegetables C a nurse pushing a needle into a patient’s arm D a soldier marching in flat-soled boots

1 marks

Answer: D

This question in 0625/11 May/June 2014

11 A student places four identical beakers on a bench. Two beakers contain salt water of density 1.1 g / cm3 and two beakers contain pure water of density 1.0 g / cm3. Which beaker exerts the greatest pressure on the bench? A B C D 150 cm3 100 cm3 150 cm3 100 cm3 of salt of salt of pure of pure water water water water

1 marks

Answer: A

This question in 0625/11 May/June 2014

12 A student places his thumb firmly on the outlet of a bicycle pump, to stop the air coming out. trapped air direction of motion handle What happens to the pressure and what happens to the volume of the trapped air as the pump handle is pushed in? pressure volume A decreases decreases B decreases remains the same C increases decreases D increases remains the same

1 marks

Answer: C

This question in 0625/11 May/June 2014

10 The diagram shows a simple mercury barometer. P mercury Q Atmospheric pressure decreases. What happens to the level of the mercury at P and what happens to the level of the mercury at Q? P Q A falls falls B falls rises C rises falls D rises rises

1 marks

Answer: B

This question in 0625/12 May/June 2014

11 A student places four identical beakers on a bench. Two beakers contain salt water of density 1.1 g / cm3 and two beakers contain pure water of density 1.0 g / cm3. Which beaker exerts the greatest pressure on the bench? A B C D 150 cm3 100 cm3 150 cm3 100 cm3 of salt of salt of pure of pure water water water water

1 marks

Answer: A

This question in 0625/12 May/June 2014

7 Which situation is an example of a force acting over a large area to produce a small pressure? A a builder hammering a nail into a piece of wood B a cook using a sharp knife to cut vegetables C a nurse pushing a needle into a patient’s arm D a soldier marching in flat-soled boots

1 marks

Answer: D

This question in 0625/13 May/June 2014

8 A student places four identical beakers on a bench. Two beakers contain salt water of density 1.1 g / cm3 and two beakers contain pure water of density 1.0 g / cm3. Which beaker exerts the greatest pressure on the bench? A B C D 150 cm3 100 cm3 150 cm3 100 cm3 of salt of salt of pure of pure water water water water

1 marks

Answer: A

This question in 0625/13 May/June 2014

17 A student places his thumb firmly on the outlet of a bicycle pump, to stop the air coming out. trapped air direction of motion handle What happens to the pressure and what happens to the volume of the trapped air as the pump handle is pushed in? pressure volume A decreases decreases B decreases remains the same C increases decreases D increases remains the same

1 marks

Answer: C

This question in 0625/13 May/June 2014

10 The diagram shows three different containers J, K and L. Each container contains water of the same depth. J K L Which statement about the pressure of the water on the base of each container is correct? A The water pressure is greatest in container J. B The water pressure is greatest in container K. C The water pressure is greatest in container L. D The water pressure is the same for all three containers.

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2014

12 A water manometer is connected to a gas supply. Q gas supply water P There is a gas leak and the pressure of the gas supply falls. What happens to the water level at P and what happens to the water level at Q? water level at P water level at Q A falls falls B falls rises C rises falls D rises rises

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2014

9 The diagram shows three different containers J, K and L. Each container contains water of the same depth. J K L Which statement about the pressure of the water on the base of each container is correct? A The water pressure is greatest in container J. B The water pressure is greatest in container K. C The water pressure is greatest in container L. D The water pressure is the same for all three containers.

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2014

10 A water manometer is connected to a gas supply. Q gas supply water P There is a gas leak and the pressure of the gas supply falls. What happens to the water level at P and what happens to the water level at Q? water level at P water level at Q A falls falls B falls rises C rises falls D rises rises

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2014

15 Some gas is trapped in a container of fixed volume. The temperature of the gas increases. Which graph shows how the pressure of the gas changes with temperature? A B pressure / Pa pressure / Pa 0 0 0 temperature / °C 0 temperature / °C C D pressure / Pa pressure / Pa 0 0 0 temperature / °C 0 temperature / °C

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2014

11 The scale diagram shows three identical blocks, P, Q and R. The blocks have different areas of contact with the ground. P Q R Which block exerts the greatest pressure on the ground? A block P B block Q C block R D they all exert the same pressure

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2014

12 A manometer is used to measure the pressure of the air in a container. manometer connection to container h liquid Which change would give a bigger value of height h ? A using a less dense liquid B using a more dense liquid C using a narrower tube D using a wider tube

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2014

13 The volume of a gas in a sealed syringe is increased. The temperature of the gas does not change. before change after change After this change is made, what has happened to the gas molecules in the syringe? A They move more quickly. B They move more slowly. C They hit the syringe walls less often. D They hit the syringe walls more often.

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2014

10 A vehicle sinks into soft ground. The vehicle is changed so that it does not sink as far. Which change is made? A a lower centre of mass B a more powerful engine C wheels that are further apart D wider tyres

1 marks

Answer: D

This question in 0625/12 Feb/March 2015

11 A manometer is used to measure the pressure of a gas trapped in a cylinder. At which labelled point on the diagram is the pressure greatest? gas cylinder D A C B

1 marks

Answer: B

This question in 0625/12 Feb/March 2015

13 A gas is compressed in a sealed cylinder by moving a piston. piston piston gas gas initial position after gas has been compressed Which row in the table states what happens to the density of the gas and to the pressure of the gas when it is compressed? density pressure A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: D

This question in 0625/12 Feb/March 2015

10 The diagram shows a simple mercury barometer. Which height is used as a measurement of atmospheric pressure? D mercury C B A

1 marks

Answer: C

This question in 0625/11 May/June 2015

11 A block with flat, rectangular sides rests on a table. block table The block is now turned so that it rests with its largest side on the table. How has this change affected the force and the pressure exerted by the block on the table? force pressure A decreased decreased B decreased unchanged C unchanged decreased D unchanged unchanged

1 marks

Answer: C

This question in 0625/11 May/June 2015

10 The diagram shows a stone suspended under the surface of a liquid from a string. The stone experiences a pressure caused by the liquid. string stone liquid What would increase the pressure on the stone? A decreasing the surface area of the stone B increasing the mass of the stone C lowering the stone deeper into the liquid D using a liquid with a lower density

1 marks

Answer: C

This question in 0625/12 May/June 2015

11 The diagram shows a simple mercury barometer, used to measure atmospheric pressure. P L mercury Atmospheric pressure decreases. Which row states what happens to the pressure at point P and what happens to the level L? pressure at P level L A decreases falls B decreases rises C stays the same falls D stays the same rises

1 marks

Answer: C

This question in 0625/12 May/June 2015

13 The diagram represents moving gas molecules in a sealed container of fixed volume. container gas molecule The temperature of the gas is now increased. What happens to the pressure of the gas, and what happens to the speed of the gas molecules? pressure speed of of gas molecules A increases increases B increases unchanged C unchanged increases D unchanged unchanged

1 marks

Answer: A

This question in 0625/12 May/June 2015

10 The diagram shows a manometer with one side connected to a gas cylinder and the other side open to the atmosphere. gas cylinder liquid Which conclusion can be made using only the information from liquid levels in the manometer? A The density of the gas is less than the density of air. B The density of the gas is greater than the density of air. C The pressure of the gas is less than atmospheric pressure. D The pressure of the gas is greater than atmospheric pressure.

1 marks

Answer: D

This question in 0625/13 May/June 2015

11 The diagram shows a solid block resting on a bench. The dimensions of the block are shown. 40 cm 20 cm Q R bench 80 cm P On which labelled surface should the block rest to produce the smallest pressure on the bench? A P B Q C R D any of P, Q or R

1 marks

Answer: A

This question in 0625/13 May/June 2015

10 Which statement is explained by reference to pressure? A Objects with greater mass have greater weight. B One kilogram of water occupies more volume than one kilogram of lead. C Spikes on running-shoes sink into the ground. D Water cooled to a low enough temperature turns to ice.

1 marks

Answer: C

This question in 0625/14 May/June 2015

12 The gas in a container is heated but is kept at constant volume. Why does the gas pressure increase? A The molecules expand. B The molecules increase in mass. C The molecules move further apart. D The molecules move more rapidly.

1 marks

Answer: D

This question in 0625/14 May/June 2015

10 The diagram shows a manometer containing a liquid. The manometer is used to find the difference between the pressure of a gas and atmospheric pressure. Which distance represents this pressure difference? gas pressure A C D B liquid

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2015

11 Four physics teachers investigate pressure. They wear identical clothes and lie on different beds of nails. The table gives the weight of each teacher and the total area of contact between the teacher and the nails. Which teacher experiences the least pressure from the nails? weight of total area of teacher / N contact / cm2 A 700 13 B 800 20 C 900 14 D 1000 21

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2015

10 The table gives four forces and the surface area on which each force acts. Which row gives the largest pressure on the surface? force / N area / m2 A 20 2 B 40 2 C 20 4 D 40 4

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2015

11 What does a barometer measure? A the current in a circuit B the density of a liquid C the pressure of air D the temperature of an object

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2015

10 A man is in contact with the floor. In which of these situations does he produce the least pressure on the floor? A kneeling B lying flat on his back C standing on both feet D standing on one foot

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2015

11 The water in a lake is at 5 °C. A diver measures the pressure of the water at two different depths in the lake. He repeats the measurements on a different day when the water is at 15 °C. The density of the water decreases when its temperature increases. Which combination of depth and temperature produces the greatest water pressure? depth / m temperature / °C A 10 5 B 10 15 C 20 5 D 20 15

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2015

12 A car tyre has a constant volume. Why does the pressure of the air in the tyre increase when its temperature increases? A The air molecules hit each other less often. B The air molecules hit the inside of the tyre less often. C The average speed of the air molecules in the tyre is greater. D There are more air molecules in the tyre.

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2015

12 The diagram shows a simple mercury barometer. Which labelled length is measured when finding atmospheric pressure? A mercury B C D

1 marks

Answer: B

This question in 0625/12 Feb/March 2016

13 Identical toy bricks are placed one on top of another to make a tower on a table. bricks tower of bricks table Which graph shows the relationship between the pressure P that the tower exerts on the table and the weight W of the tower? A B C D P P P P 0 0 0 0 0 W 0 W 0 W 0 W

1 marks

Answer: D

This question in 0625/12 Feb/March 2016

15 Air in a sealed syringe is slowly compressed by moving the piston. The temperature of the air stays the same. air syringe piston Which statement about the air is correct? A The pressure of the air decreases because its molecules now travel more slowly. B The pressure of the air decreases because the area of the syringe walls is now smaller. C The pressure of the air increases because its molecules now hit the syringe walls more frequently. D The pressure of the air increases because its molecules now travel more quickly.

1 marks

Answer: C

This question in 0625/12 Feb/March 2016

12 The diagram shows three vases each with the same base area. Each vase contains water of the same depth. water water water P Q R Which statement about the water pressures at points P, Q and R is correct? A The pressure at point P is the greatest. B The pressure at point Q is the least. C The pressure at point R is the greatest. D The pressures at points P, Q and R are the same.

1 marks

Answer: D

This question in 0625/11 May/June 2016

13 The diagram shows a simple mercury barometer. V W mercury X Y Z The atmospheric pressure increases. Which distance increases? A VW B WY C XY D XZ

1 marks

Answer: B

This question in 0625/11 May/June 2016

15 A gas is stored in a sealed container of constant volume. The temperature of the gas increases. This causes the pressure of the gas to increase. What happens to the gas molecules during this pressure increase? A The average kinetic energy of the molecules increases. B The average separation of the molecules decreases. C The average separation of the molecules increases. D The volume of each molecule increases.

1 marks

Answer: A

This question in 0625/11 May/June 2016

12 A T-shaped girder is placed on the ground in position X. It is then turned over to position Y. ground position X position Y What happens to the force on the ground and what happens to the pressure on the ground? force pressure A increases increases B increases remains the same C remains the same increases D remains the same remains the same

1 marks

Answer: C

This question in 0625/12 May/June 2016

13 The diagram shows a simple mercury barometer. V W mercury X Y Z The atmospheric pressure increases. Which distance increases? A VW B WY C XY D XZ

1 marks

Answer: B

This question in 0625/12 May/June 2016

15 The diagram shows a quantity of gas enclosed in a cylinder by a piston. moves to the left gas moves to the right cylinder piston The piston is moved to the left or to the right. The temperature of the gas is kept constant. Which row describes the effect of moving the piston slowly in the direction shown in the table? movement speed of gas pressure of piston molecules of gas A to the left increases decreases B to the left no change increases C to the right increases decreases D to the right no change increases

1 marks

Answer: B

This question in 0625/12 May/June 2016

12 The diagram shows four solid pieces of the same metal. Each piece has the same thickness and stands on a bench as shown. Which piece of metal produces the greatest pressure on the bench? A B C D 1.0 cm 3.0 cm 1.0 cm 2.0 cm

1 marks

Answer: A

This question in 0625/13 May/June 2016

13 The diagram shows a simple mercury barometer. V W mercury X Y Z The atmospheric pressure increases. Which distance increases? A VW B WY C XY D XZ

1 marks

Answer: B

This question in 0625/13 May/June 2016

12 The diagrams show the actual sizes of the heels of four different shoes, as seen from underneath the shoe. Which heel is most likely to cause damage to wooden floors? A B C D

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2016

13 The diagram shows an instrument used to measure gas pressure. liquid What is the instrument called? A ammeter B barometer C manometer D thermometer

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2016

12 The diagrams show the actual sizes of the heels of four different shoes, as seen from underneath the shoe. Which heel is most likely to cause damage to wooden floors? A B C D

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2016

13 The diagram shows an instrument used to measure gas pressure. liquid What is the instrument called? A ammeter B barometer C manometer D thermometer

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2016

12 The diagrams show the actual sizes of the heels of four different shoes, as seen from underneath the shoe. Which heel is most likely to cause damage to wooden floors? A B C D

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2016

13 The diagram shows an instrument used to measure gas pressure. liquid What is the instrument called? A ammeter B barometer C manometer D thermometer

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2016

11 The diagrams show two mercury barometers. The right-hand diagram shows a tube of larger diameter. There is a vacuum above the mercury in both tubes. Which labelled position on the right-hand tube shows the mercury level in the right-hand tube? A B C glass tubes D mercury

1 marks

Answer: B

This question in 0625/12 Feb/March 2017

12 The diagram shows four solid objects resting on a horizontal surface. The objects all have the same weight, and are drawn to the same scale. Which object exerts the least pressure on the surface? A B C D sphere cylinder cube cone

1 marks

Answer: C

This question in 0625/12 Feb/March 2017

11 The diagram shows a box of dimensions 6.0 cm × 8.0 cm × 4.0 cm. 6.0 cm X Z 4.0 cm Y 8.0 cm The box rests on a flat horizontal surface. On which face must the box rest to exert the least pressure? A face X B face Y C face Z D The pressure is the same for all the faces.

1 marks

Answer: A

This question in 0625/11 May/June 2017

12 Two identical fish tanks are filled to the same level with water. One tank contains fresh water. The other tank contains sea-water. Sea-water is more dense than fresh water. Which fish experiences the greatest pressure? A B C D fresh water sea-water

1 marks

Answer: D

This question in 0625/11 May/June 2017

11 The diagram shows a conical vessel full of water. The pressure at point X due to the water is p. A point Q is a distance h above point X. water Q h X Which graph shows how the pressure due to the water at Q varies with distance h? A B pressure p pressure p 0 0 0 distance h 0 distance h C D pressure p pressure p 0 0 0 distance h 0 distance h

1 marks

Answer: D

This question in 0625/12 May/June 2017

12 In diagram 1 a manometer containing mercury (Hg) is connected to a gas tap. The tap is turned off and the mercury is at the same level on both sides. gas tap gas supply diagram 1 mercury When the gas supply is turned on, the mercury in the tube connected to the supply falls by 40 mm and the mercury in the tube open to the atmosphere rises by 40 mm, as shown in diagram 2. gas tap gas supply diagram 2 mercury What is the pressure of the gas in the gas supply? A 40 mm Hg above atmospheric pressure B 40 mm Hg below atmospheric pressure C 80 mm Hg above atmospheric pressure D 80 mm Hg below atmospheric pressure

1 marks

Answer: C

This question in 0625/12 May/June 2017

11 A student uses her thumb to push in a drawing pin (thumb tack) into a notice board. The pin goes into the board but does not penetrate her thumb. Which statement explains this? A The force exerted by the pin on her thumb is greater than the force exerted on the notice board. B The force exerted by the pin on the notice board is greater than the force exerted on her thumb. C The pressure of the pin on her thumb is greater than the pressure on the notice board. D The pressure of the pin on the notice board is greater than the pressure on her thumb.

1 marks

Answer: D

This question in 0625/13 May/June 2017

12 A solid cube has sides 0.50 m long and a mass of 120 kg. It stands on the ground on one face. What pressure does the cube exert on the ground? A 480 kg / m3 B 960 kg / m3 C 4800 N / m2 D 9600 N / m2

1 marks

Answer: C

This question in 0625/13 May/June 2017

12 What is a manometer used to determine? A the difference between two densities B the difference between two forces C the difference between two heights D the difference between two pressures

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2017

13 The diagram shows a simple mercury barometer. cm vacuum 90 80 metre rule 70 60 50 40 30 20 10 mercury Which length is used to find the value of atmospheric pressure? A 12 cm B 74 cm C 86 cm D 100 cm

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2017

15 The diagram shows an air-filled rubber toy. A child sits on the toy and its volume decreases. The temperature of the air in the toy does not change. How does the air pressure in the toy change and why? pressure reason A decreases air molecules move more slowly B decreases air molecules strike the rubber less frequently C increases air molecules move more quickly D increases air molecules strike the rubber more frequently

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2017

12 A book has a mass of 400 g. One of its surfaces measures 0.10 m × 0.20 m. This surface is in contact with a table. The gravitational field strength g is10 N / kg. What is the pressure exerted on the table due to the book? A 0.08 N / m2 B 8.0 N / m2 C 20 N / m2 D 200 N / m2

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2017

13 The diagram shows a simple mercury barometer. cm vacuum 90 80 metre rule 70 60 50 40 30 20 10 mercury Which length is used to find the value of atmospheric pressure? A 12 cm B 74 cm C 86 cm D 100 cm

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2017

15 The diagram shows an air-filled rubber toy. A child sits on the toy and its volume decreases. The temperature of the air in the toy does not change. How does the air pressure in the toy change and why? pressure reason A decreases air molecules move more slowly B decreases air molecules strike the rubber less frequently C increases air molecules move more quickly D increases air molecules strike the rubber more frequently

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2017

12 The diagram shows a simple mercury barometer. cm vacuum 90 80 metre rule 70 60 50 40 30 20 10 mercury Which length is used to find the value of atmospheric pressure? A 12 cm B 74 cm C 86 cm D 100 cm

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2017

13 A polystyrene cube of mass 5.0 kg is placed on a horizontal surface. The pressure due to the cube is 89 N / m2. What is the length of the sides of the cube? A 0.56 m B 0.75 m C 1.3 m D 1.8 m

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2017

15 The diagram shows an air-filled rubber toy. A child sits on the toy and its volume decreases. The temperature of the air in the toy does not change. How does the air pressure in the toy change and why? pressure reason A decreases air molecules move more slowly B decreases air molecules strike the rubber less frequently C increases air molecules move more quickly D increases air molecules strike the rubber more frequently

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2017

13 Four identical beakers are filled with equal volumes of liquids P or Q, as shown. Liquid P is more dense than liquid Q. At which point is the pressure the least? liquid P B liquid Q D A C

1 marks

Answer: D

This question in 0625/11 May/June 2018

14 A woman has a weight of 600 N. She stands on a horizontal floor. The area of her feet in contact with the floor is 0.050 m2. What is the pressure she exerts on the floor? A 1.2 × 103 N / m2 B 2.4 × 103 N / m2 C 1.2 × 104 N / m2 D 2.4 × 104 N / m2

1 marks

Answer: C

This question in 0625/11 May/June 2018

12 Air is trapped in a closed tube by a thread of mercury. The mercury thread is 100 mm long. The tube is held as shown. air mercury 100 mm Atmospheric pressure is 770 mm Hg. What is the pressure of the trapped air? A 100 mm Hg B 670 mm Hg C 770 mm Hg D 870 mm Hg

1 marks

Answer: B

This question in 0625/12 May/June 2018

10 A simple barometer includes a column of mercury. Which property of this column of mercury is used to give a measurement of atmospheric pressure? A its cross-sectional area B its height C its temperature D its thermal capacity

1 marks

Answer: B

This question in 0625/13 May/June 2018

12 A manometer is used to measure the pressure of gas inside a metal container. gas metal container liquid What is the pressure inside the container? A equal to the atmospheric pressure B greater than the atmospheric pressure C less than the atmospheric pressure but greater than zero D zero

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2018

13 A manometer is used to measure the pressure of a gas supply. manometer connection to gas supply h liquid Which change gives a greater value of height h ? A using a less dense liquid B using a more dense liquid C using a narrower tube D using a wider tube

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2018

12 A simple mercury barometer is used to measure the atmospheric pressure. Which height is measured to find the atmospheric pressure? A B C D

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2018

14 A manometer is used to measure the pressure of a gas supply. manometer connection to gas supply h liquid Which change gives a greater value of height h ? A using a less dense liquid B using a more dense liquid C using a narrower tube D using a wider tube

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2018

12 Diagram 1 shows a conical flask containing water. Diagram 2 shows a beaker with the same base area as the flask and containing water of the same depth d. water water d d X Y P diagram 1 diagram 2 Which statement is correct? A The pressure at P is equal to the pressure at X. B The pressure at P is greater than the pressure at Y. C The pressure at P is greater than the pressure at X. D The pressure at Y is greater than the pressure at X.

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2018

13 A manometer is used to measure the pressure of a gas supply. manometer connection to gas supply h liquid Which change gives a greater value of height h ? A using a less dense liquid B using a more dense liquid C using a narrower tube D using a wider tube

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2018

12 The diagram shows a U-tube manometer containing three liquids: mercury, liquid X and liquid Y. Neither liquid X or liquid Y mixes with mercury. liquid X liquid Y mercury Which row compares the pressure exerted by liquid X and by liquid Y on the mercury, and the density of liquid X and the density of liquid Y? pressure exerted by X and densities of by Y on the mercury X and of Y A pressure of X is greater than Y density of X is greater than Y B pressure of Y is greater than X density of Y is greater than X C pressure of X and of Y is the same density of X is greater than Y D pressure of X and of Y is the same density of Y is greater than X

1 marks

Answer: D

This question in 0625/12 Feb/March 2019

13 Which diagram shows an athlete exerting least pressure on the ground? A B C D

1 marks

Answer: B

This question in 0625/12 Feb/March 2019

14 A car tyre runs over a nail which makes a hole in it. The air in the tyre leaks out. air Why does the air leave the tyre? A The pressure inside the tyre is greater than the pressure outside. B The pressure inside the tyre is less than the pressure outside. C The temperature inside the tyre is greater than the temperature outside. D The temperature inside the tyre is less than the temperature outside.

1 marks

Answer: A

This question in 0625/12 Feb/March 2019

12 Four identical submarines P, Q, R and S are lowered from one depth to another in water of a constant density. The initial and final depths of each submarine are shown in the diagram. water surface submarine submarine P R 10 m submarine S 30 m submarine Q 50 m 70 m Which row is correct for the difference in pressure from the initial to final depth of each submarine? least change greatest change in pressure in pressure A submarines P and Q submarines R and S B submarines P and Q submarine R only C submarine P only submarines R and S D submarine P only submarine R only

1 marks

Answer: A

This question in 0625/11 May/June 2019

13 The diagram shows a stone suspended on a string under the surface of a liquid. The stone experiences a pressure caused by the liquid. string stone liquid What would increase the pressure on the stone? A decreasing the surface area of the stone B increasing the mass of the stone C lowering the stone deeper into the liquid D using a liquid with a lower density

1 marks

Answer: C

This question in 0625/11 May/June 2019

14 Why can a gas be compressed easily into a smaller volume? A The molecules are far apart. B The molecules do not attract each other. C The molecules move randomly. D The volume of each molecule can be reduced.

1 marks

Answer: A

This question in 0625/11 May/June 2019

13 The diagram shows a stone suspended on a string under the surface of a liquid. The stone experiences a pressure caused by the liquid. string stone liquid What would increase the pressure on the stone? A decreasing the surface area of the stone B increasing the mass of the stone C lowering the stone deeper into the liquid D using a liquid with a lower density

1 marks

Answer: C

This question in 0625/12 May/June 2019

12 The diagram shows a simple mercury barometer. vacuum glass tube h mercury A change is made and the vertical height h of the column increases. Which change causes this increase? A A liquid with a lower density than mercury has been used. B Atmospheric pressure decreases. C A narrower glass tube is used. D The glass tube is tilted.

1 marks

Answer: A

This question in 0625/13 May/June 2019

13 The diagram shows a stone suspended on a string under the surface of a liquid. The stone experiences a pressure caused by the liquid. string stone liquid What would increase the pressure on the stone? A decreasing the surface area of the stone B increasing the mass of the stone C lowering the stone deeper into the liquid D using a liquid with a lower density

1 marks

Answer: C

This question in 0625/13 May/June 2019

12 A drawing pin (thumb tack) has a sharp point at one end and a flat surface at the other end. sharp point flat surface The pin is pushed into a wooden board. How do the pressure and the force at the sharp point compare with the pressure and the force on the flat surface? force at the sharp point pressure at the sharp point A greater than on the flat surface greater than on the flat surface B greater than on the flat surface less than on the flat surface C the same as on the flat surface greater than on the flat surface D the same as on the flat surface less than on the flat surface

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2019

13 The table shows four forces. Each force acts on a different surface. Which row shows the least pressure? size of the area of the surface force / N / m2 A 0.30 0.040 B 10 2.0 C 60 15 D 1200 40

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2019

12 A drawing pin (thumb tack) has a sharp point at one end and a flat surface at the other end. sharp point flat surface The pin is pushed into a wooden board. How do the pressure and the force at the sharp point compare with the pressure and the force on the flat surface? force at the sharp point pressure at the sharp point A greater than on the flat surface greater than on the flat surface B greater than on the flat surface less than on the flat surface C the same as on the flat surface greater than on the flat surface D the same as on the flat surface less than on the flat surface

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2019

13 A metal block of weight W rests on a table. In order to calculate the pressure that the block exerts on the table, one other quantity must be known. What is the other quantity? A the area of contact between the block and the table B the density of the block C the mass of the block D the volume of the block

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2019

12 A drawing pin (thumb tack) has a sharp point at one end and a flat surface at the other end. sharp point flat surface The pin is pushed into a wooden board. How do the pressure and the force at the sharp point compare with the pressure and the force on the flat surface? force at the sharp point pressure at the sharp point A greater than on the flat surface greater than on the flat surface B greater than on the flat surface less than on the flat surface C the same as on the flat surface greater than on the flat surface D the same as on the flat surface less than on the flat surface

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2019

13 Pressure is related to force and area. Which situation cannot be explained using this relationship? A Using a longer spanner than normal to undo a tight nut. B Hammering a nail into a piece of wood. C Tractors using wide tyres in a muddy field. D A sharp kitchen knife cutting vegetables more easily than a blunt one.

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2019

12 The diagram shows a solid block resting on a bench. The dimensions of the block are shown. 40 cm 20 cm Q R bench 80 cm P On which labelled surface should the block rest to produce the smallest pressure on the bench? A P B Q C R D P, Q and R produce the same pressure

1 marks

Answer: A

This question in 0625/11 May/June 2020

13 Four submarines are submerged. The density of fresh water is 1000 kg / m3 and the density of sea water is 1020 kg / m3. Which submarine experiences the greatest pressure due to the water? A B water surface water surface fresh water 100 m fresh water 120 m submarine submarine C D water surface water surface sea water 100 m sea water 120 m submarine submarine

1 marks

Answer: D

This question in 0625/11 May/June 2020

12 The diagram shows a solid block resting on a bench. The dimensions of the block are shown. 40 cm 20 cm Q R bench 80 cm P On which labelled surface should the block rest to produce the smallest pressure on the bench? A P B Q C R D P, Q and R produce the same pressure

1 marks

Answer: A

This question in 0625/12 May/June 2020

13 A beaker contains a liquid. liquid X On what does the liquid pressure at position X depend? A both the density of the liquid and the depth of X below the surface B both the surface area of the liquid and the depth of X below the surface C both the surface area of the liquid and the volume of the liquid D the depth of X below the surface only

1 marks

Answer: A

This question in 0625/12 May/June 2020

12 The diagram shows a solid block resting on a bench. The dimensions of the block are shown. 40 cm 20 cm Q R bench 80 cm P On which labelled surface should the block rest to produce the smallest pressure on the bench? A P B Q C R D P, Q and R produce the same pressure

1 marks

Answer: A

This question in 0625/13 May/June 2020

13 The diagram shows a U-shaped glass tube, closed at one end by a tap. The glass tube contains a liquid as shown. atmospheric pressure closed tap trapped gas X Y liquid Some of the trapped gas is removed. What will happen to the levels X and Y? level X level Y A higher lower B higher higher C lower higher D lower lower

1 marks

Answer: A

This question in 0625/13 May/June 2020

12 A rectangular marble block has dimensions 1 m by 1 m by 5 m and weighs 125 000 N. The marble block is stored with the long side resting on the ground, as in diagram 1. diagram 1 diagram 2 What is the change in the pressure on the ground due to the block when the block is stored as in diagram 2 rather than diagram 1? A a decrease of 25 000 Pa B an increase of 100 000 Pa C an increase of 125 000 Pa D no change

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2020

13 The diagram shows a mercury barometer. Which height is used as a measurement of atmospheric pressure? D mercury C B A

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2020

14 On a warm day, a driver checks the air pressure in a car tyre. At night, the temperature drops and the air pressure in the tyre decreases. There are no air leaks in the tyre. Why does the pressure decrease? A The air molecules in the tyre move more slowly. B The air molecules in the tyre stop moving. C The volume of the air in the tyre decreases. D The volume of the air in the tyre increases.

1 marks

Answer: A

This question in 0625/11 Oct/Nov 2020

12 The diagram shows a mercury barometer. Which height is used as a measurement of atmospheric pressure? D mercury C B A

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2020

13 A man who weighs 540 N stands with both feet on the ground. The area of contact between one foot and the ground is 0.015 m2. What is the pressure exerted on the floor by the man? A 1800 N / m2 B 3600 N / m2 C 18 000 N / m2 D 36 000 N / m2

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2020

12 The diagram shows a mercury barometer. Which height is used as a measurement of atmospheric pressure? D mercury C B A

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2020

13 A large box has a weight of 700 N. The box is placed on the floor. 50 cm 70 cm What is the pressure on the floor due to the box? A 0.20 N / m2 B 10 N / m2 C 245 N / m2 D 2000 N / m2

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2020

14 On a warm day, a driver checks the air pressure in a car tyre. At night, the temperature drops and the air pressure in the tyre decreases. There are no air leaks in the tyre. Why does the pressure decrease? A The air molecules in the tyre move more slowly. B The air molecules in the tyre stop moving. C The volume of the air in the tyre decreases. D The volume of the air in the tyre increases.

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2020

12 The diagram shows a manometer connected to a gas supply. mm 500 from 400 gas supply 300 200 100 mercury 0 What is the pressure of the gas supply? A 100 mm Hg above atmospheric pressure B 100 mm Hg below atmospheric pressure C 200 mm Hg above atmospheric pressure D 200 mm Hg below atmospheric pressure

1 marks

Answer: C

This question in 0625/12 Feb/March 2021

13 The diagram shows a box of dimensions 6.0 cm  8.0 cm  4.0 cm. 6.0 cm X Z 4.0 cm Y 8.0 cm The box rests on a flat horizontal surface. On which face must the box rest in order to exert the least pressure? A face X B face Y C face Z D The pressure is the same for all the faces.

1 marks

Answer: A

This question in 0625/12 Feb/March 2021

14 Air in a sealed syringe is slowly compressed by moving the piston. The temperature of the air stays the same. air syringe piston Which statement about the air is correct? A The pressure of the air decreases because its molecules now travel more slowly. B The pressure of the air decreases because the area of the syringe walls is now smaller. C The pressure of the air increases because its molecules now hit the syringe walls more frequently. D The pressure of the air increases because its molecules now travel more quickly.

1 marks

Answer: C

This question in 0625/12 Feb/March 2021

12 A book has a mass of 400 g. The surface of the book in contact with a table has dimensions 0.10 m  0.20 m. The gravitational field strength g is 10 N / kg. What is the pressure exerted on the table due to the book? A 0.08 N / m2 B 8.0 N / m2 C 20 N / m2 D 200 N / m2

1 marks

Answer: D

This question in 0625/12 May/June 2021

13 The diagrams show three containers, P, Q and R. P Q R Each container contains the same liquid. The depth of the liquid is the same in each container. Which statement about the pressure of the liquid at the bottom of the container is correct? A The pressure of the liquid at the base of P is greatest. B The pressure of the liquid at the base of Q is greatest. C The pressure of the liquid at the base of R is greatest. D The pressures of the liquid at the bases of P, Q and R are the same.

1 marks

Answer: D

This question in 0625/12 May/June 2021

11 The box shown has a weight of 15 N. 0.30 m 0.20 m face Q 0.50 m face P The box is resting on a horizontal surface with face P in contact with the surface. What is the change in pressure on the surface if the box falls over onto face Q? A 0.0040 m2 / N B 0.0067 m2 / N C 100 N / m2 D 250 N / m2

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2021

11 The diagram shows a simple mercury barometer. Which length is used to indicate atmospheric pressure in a simple mercury barometer? vacuum A D C B mercury

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2021

11 Liquid is stored in a tank. The area of the base of the tank is 2.2 m2 and the pressure at the base due to the liquid is 15 000 Pa. What is the weight of the liquid? A 3300 N B 6800 N C 15 000 N D 33 000 N

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2021

13 The diagram shows a sealed gas cylinder with a movable piston. movable piston gas The piston is moved slowly downwards and there is no change in temperature of the gas. What happens to the average distance between the gas molecules and to the pressure of the gas? average distance pressure of gas between gas in cylinder molecules A decreases decreases B decreases increases C increases decreases D increases increases

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2021

12 An object is at rest on a horizontal surface. Which equation is used to calculate the pressure that the object exerts? mass of the object A area of contact weight of the object B area of contact C mass of the object  area of contact D weight of the object  area of contact

1 marks

Answer: B

This question in 0625/12 Feb/March 2022

13 Which device is shown? h A barometer B galvanometer C manometer D newton meter

1 marks

Answer: C

This question in 0625/12 Feb/March 2022

11 Liquid of mass 92 kg is contained in a rectangular tank. The area of the base of the tank is 0.23 m2. What is the pressure exerted by the liquid on the base of the tank? A 2.5  10– 4 N / m2 B 2.5  10– 3 N / m2 C 400 N / m2 D 4000 N / m2

1 marks

Answer: D

This question in 0625/11 May/June 2022

12 The diagram shows a deep reservoir formed by a dam. water dam X On what does the pressure at X depend? A the depth of the water at X B the length of the reservoir C the surface area of the water D the thickness of the dam wall

1 marks

Answer: A

This question in 0625/11 May/June 2022

11 The table shows the weights and base areas of four metal blocks. Which block exerts the greatest pressure on its base? area of weight / N base / m2 A 3 000 0.20 B 10 000 0.50 C 16 000 2.0 D 20 000 1.5

1 marks

Answer: B

This question in 0625/12 May/June 2022

12 The diagram shows a deep reservoir formed by a dam. water dam X On what does the pressure at X depend? A the depth of the water at X B the length of the reservoir C the surface area of the water D the thickness of the dam wall

1 marks

Answer: A

This question in 0625/12 May/June 2022

11 A force of 14 N is applied to the head of a nail. This causes a pressure of 25 N / mm2 at the tip of the nail. What is the cross-sectional area of the tip of the nail? A 0.56 mm2 B 11 mm2 C 39 mm2 D 350 mm2

1 marks

Answer: A

This question in 0625/13 May/June 2022

12 The diagram shows a deep reservoir formed by a dam. water dam X On what does the pressure at X depend? A the depth of the water at X B the length of the reservoir C the surface area of the water D the thickness of the dam wall

1 marks

Answer: A

This question in 0625/13 May/June 2022

11 A pressure gauge is lowered into the sea. Measurements of the pressure and depth are taken as the pressure gauge is lowered. Which statement describes how and why the pressure changes as the gauge is lowered? A The density of the sea water decreases so the pressure increases. B The depth of the gauge below the surface of the sea increases so the pressure increases. C The height of the gauge above the sea bed decreases so the pressure decreases. D The temperature of the sea water decreases so the pressure decreases.

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2022

12 The pressure of a fixed mass of gas in a cylinder is measured. The volume of the gas in the cylinder is slowly decreased. The temperature of the gas does not change. Which graph shows how the pressure of the gas changes during this process? A B pressure pressure 0 0 0 time 0 time C D pressure pressure 0 0 0 time 0 time

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2022

11 The diagram shows a simple mercury barometer. Which labelled distance decreases when atmospheric pressure increases? C D A B

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2022

12 The pressure of a fixed mass of gas in a cylinder is measured. The volume of the gas in the cylinder is slowly decreased. The temperature of the gas does not change. Which graph shows how the pressure of the gas changes during this process? A B pressure pressure 0 0 0 time 0 time C D pressure pressure 0 0 0 time 0 time

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2022

13 The diagram shows a rectangular block of weight 16 N. It is resting on a flat surface. 4.0 cm 5.0 cm 9.0 cm What is the pressure at the base of the block due to its weight? A 0.089 N / cm2 B 0.36 N / cm2 C 0.80 N / cm2 D 320 N / cm2

1 marks

Answer: C

This question in 0625/12 Feb/March 2023

14 A piston traps a mass of gas inside a cylinder. Initially, the piston is halfway along the length of the cylinder. The piston is now moved towards the open end of the cylinder. The temperature of the gas remains constant. initial position cylinder piston final position How are the density and the pressure of the gas affected by moving the piston? density pressure A decreases decreases B decreases unchanged C increases decreases D increases unchanged

1 marks

Answer: A

This question in 0625/12 Feb/March 2023

13 A woman has a weight of 600 N. She stands on a horizontal floor. The area of her feet in contact with the floor is 0.050 m2. What is the pressure she exerts on the floor? A 1.2 × 103 N / m2 B 2.4 × 103 N / m2 C 1.2 × 104 N / m2 D 2.4 × 104 N / m2

1 marks

Answer: C

This question in 0625/11 May/June 2023

13 A rectangular marble block has dimensions 1 m by 1 m by 5 m and weighs 125 000 N. The marble block is stored with the long side resting on the ground, as in diagram 1. diagram 1 diagram 2 What is the change in the pressure on the ground due to the block when the block is stored as in diagram 2 rather than diagram 1? A a decrease of 25 000 N / m2 B an increase of 100 000 N / m2 C an increase of 125 000 N / m2 D no change

1 marks

Answer: B

This question in 0625/12 May/June 2023

13 A solid cube has sides 0.50 m long and a mass of 120 kg. It stands on the ground on one face. Which pressure does the cube exert on the ground? A 480 kg / m3 B 960 kg / m3 C 4700 N / m2 D 9400 N / m2

1 marks

Answer: C

This question in 0625/13 May/June 2023

11 When a diver swims down from the surface of the water to a depth of 10 m, the pressure experienced increases from 100 000 N / m2 to 200 000 N / m2. Which statement explains this increase in pressure? A The density of the water increases with depth. B The gravitational field strength increases with depth. C The weight of water above the diver increases with depth. D Water cannot be compressed.

1 marks

Answer: C

This question in 0625/11 Oct/Nov 2023

11 Tractors have large tyres. These help to prevent the wheels from sinking into soft ground. tractor Which statement explains this? A Larger tyres exert a greater force on the ground. B Larger tyres exert a greater pressure on the ground. C Larger tyres exert a smaller force on the ground. D Larger tyres exert a smaller pressure on the ground.

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2023

13 A student investigates the relationship between the pressure of a gas and its volume at constant temperature. He records his results in the table. pressure volume reading / cm3 N cm / 2 1 10.0 24 2 7.4 32 3 4.0 63 4 13.0 19 What is the correct conclusion from the experiment? A The volume decreases when the pressure increases. B The volume increases when the pressure increases. C The volume initially increases when the pressure increases, but then decreases. D The volume is independent of the pressure.

1 marks

Answer: A

This question in 0625/12 Oct/Nov 2023

11 Why is it easier to push a sharp nail, rather than a blunt nail, into a piece of wood? A The sharp nail exerts a larger force on the wood. B The sharp nail exerts a smaller force on the wood. C The sharp nail exerts a larger pressure on the wood. D The sharp nail exerts a smaller pressure on the wood.

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2023

13 Which graph shows the relationship between the pressure p of a fixed mass of gas and its volume V at a constant temperature? A B C D p p p p 0 0 0 0 0 V 0 V 0 V 0 V

1 marks

Answer: C

This question in 0625/13 Oct/Nov 2023

8 The diagram shows a rectangular metal block with dimensions 2.5 cm  3.0 cm  4.5 cm. The block is resting on the ground. The block exerts a pressure of 0.23 N / cm2 on the ground. NOT TO SCALE 3.0 cm 2.5 cm 4.5 cm What is the weight of the metal block? A 0.020 N B 1.7 N C 2.6 N D 3.1 N

1 marks

Answer: C

This question in 0625/12 Feb/March 2024

8 Four identical submarines, P, Q, R and S, are lowered from one depth to another in water of a constant density. The initial and final depths of each submarine are shown. water surface submarine submarine P R 10 m submarine S 30 m submarine Q 50 m 70 m Which row is correct for the difference in pressure from the initial to the final depth of each submarine? least change greatest change in pressure in pressure A submarines P and Q submarines R and S B submarines P and Q submarine R only C submarine P only submarines R and S D submarine P only submarine R only

1 marks

Answer: A

This question in 0625/11 May/June 2024

8 Which row describes how the pressure beneath the surface of a liquid depends on the depth below the surface and on the density of the liquid? depth below surface density of liquid A pressure decreases pressure decreases with increasing depth with increasing density B pressure decreases pressure increases with increasing depth with increasing density C pressure increases pressure decreases with increasing depth with increasing density D pressure increases pressure increases with increasing depth with increasing density

1 marks

Answer: D

This question in 0625/13 May/June 2024

11 An artist makes four sculptures with circular bases and places them on sand. All the sculptures are of equal weight and volume. Which sculpture is least likely to sink into the sand? A B C D sand

1 marks

Answer: D

This question in 0625/11 Oct/Nov 2024

13 The diagram represents gas particles moving around in a sealed container. The gas particles collide with the walls of the container. The temperature of the gas is increased. What happens to the average speed of the gas particles and what happens to the number of collisions by the gas particles with the walls of the container? average speed the number of collisions with of gas particles the walls of the container A increases less frequent collisions B increases more frequent collisions C stays the same less frequent collisions D stays the same more frequent collisions

1 marks

Answer: B

This question in 0625/11 Oct/Nov 2024

11 In which position does a person exert least pressure on the ground? A kneeling on the ground B lying flat on the ground C sitting on the ground D standing on the ground

1 marks

Answer: B

This question in 0625/12 Oct/Nov 2024

13 A fixed mass of air is trapped inside a cylinder fitted with a moveable piston. The piston is slowly pushed in. trapped air piston cylinder What happens to the pressure and the volume of the trapped air? pressure volume A decreases decreases B decreases does not change C increases decreases D increases increases

1 marks

Answer: C

This question in 0625/12 Oct/Nov 2024

11 How is pressure defined? A area per unit force B force per unit area C mass per unit area D mass per unit volume

1 marks

Answer: B

This question in 0625/13 Oct/Nov 2024

12 A fixed mass of gas is trapped in a cylinder with a piston. The volume of the gas is slowly reduced at constant temperature without any particles of gas escaping. Which statement is correct? A The force exerted by the gas on the piston will decrease because the particles move more quickly. B The force exerted by the gas on the piston will decrease because the particles move more slowly. C The force exerted by the gas on the piston will increase because the particles are hitting the piston harder. D The force exerted by the gas on the piston will increase because the particles are hitting the piston more frequently.

1 marks

Answer: D

This question in 0625/13 Oct/Nov 2024

12 The diagram shows a solid block resting on a bench. The dimensions of the block are shown. 40 cm 20 cm Q R bench 80 cm P On which labelled surface should the block rest to produce the smallest pressure on the bench? A P B Q C R D P, Q and R produce the same pressure

1 marks

Answer: A

This question in 0625/12 Feb/March 2025

13 A skier is standing still on a flat area of snow. skis The total weight of the skier is 550 N. The total area of his skis in contact with the ground is 0.015 m2. What is the pressure exerted on the ground by the skier? A 0.83 N / m2 B 8.3 N / m2 C 3700 N / m2 D 37 000 N / m2

1 marks

Answer: D

This question in 0625/12 Feb/March 2025

14 A force acts on an area to produce a pressure. Which changes produce the same pressure? A doubling the area and doubling the force B doubling the area and halving the force C doubling the area and making the force four times bigger D halving the area and doubling the force

1 marks

Answer: A

This question in 0625/12 Feb/March 2025

15 The diagram shows a cylinder containing oxygen under high pressure. The temperature of the cylinder and the oxygen decreases. Which statement describes what happens to the pressure in the cylinder and gives the reason why the pressure changes? A The pressure decreases because the oxygen particles move faster. B The pressure decreases because the oxygen particles move more slowly. C The pressure increases because the oxygen particles move faster. D The pressure increases because the oxygen particles move more slowly.

1 marks

Answer: B

This question in 0625/12 Feb/March 2025

10 Which pair of changes, applied at the same time, always increases the pressure that a brick exerts on the ground? area of brick in weight of brick contact with ground A increase increase B increase decrease C decrease increase D decrease decrease

1 marks

Answer: B

This question in 0625/11 May/June 2025

12 A fixed mass of gas at a constant temperature is trapped in a cylinder which has a movable piston. Which row states and explains what happens to the pressure of the gas in the cylinder when the volume of the gas increases? pressure explanation A decreases gas particles collide with the cylinder at a lower speed B decreases gas particles collide with the cylinder less frequently C increases gas particles collide with the cylinder at a higher speed D increases gas particles collide with the cylinder more frequently

1 marks

Answer: B

This question in 0625/12 May/June 2025

12 A fixed mass of gas at a constant temperature is trapped in a cylinder which has a movable piston. Which row states and explains what happens to the pressure of the gas in the cylinder when the volume of the gas increases? pressure explanation A decreases gas particles collide with the cylinder at a lower speed B decreases gas particles collide with the cylinder less frequently C increases gas particles collide with the cylinder at a higher speed D increases gas particles collide with the cylinder more frequently

1 marks

Answer: B

This question in 0625/13 May/June 2025

10 Which unit is a unit of pressure? A kg / m2 B kg / m3 C N m D N / m2

1 marks

Answer: D

This question in 0625/12 Oct/Nov 2025

10 A steel knife needs a cutting edge with a small surface area. What is the reason for this? A A small surface area increases the pressure. B A small surface area increases the density of the steel. C A small surface area prevents the cutting edge from rusting. D A small surface area prevents the knife from becoming magnetised.

1 marks

Answer: A

This question in 0625/13 Oct/Nov 2025