Physical quantities — Paper 1 · A Level Physics 9702

2 Which of the following definitions is correct and uses only quantities rather than units? A Density is mass per cubic metre. B Potential difference is energy per unit current. C Pressure is force per unit area. D Speed is distance travelled per second.

1 marks

Answer: C

This question in 9702/11 Oct/Nov 2004

10 The gravitational field strength on the surface of planet P is one tenth of that on the surface of planet Q. On the surface of P, a body has its mass measured to be 1.0 kg and its weight measured to be 1.0 N. What results are obtained for measurements of the mass and weight of the same body on the surface of planet Q? mass on Q weight on Q A 1.0 kg 0.1 N B 1.0 kg 10 N C 10 kg 10 N D 10 kg 100 N

1 marks

Answer: B

This question in 9702/11 Oct/Nov 2005

2 For which quantity is the magnitude a reasonable estimate? A frequency of a radio wave 500 pHz B mass of an atom 500 µg C the Young modulus of a metal 500 kPa D wavelength of green light 500 nm

1 marks

Answer: D

This question in 9702/11 May/June 2006

5 The cathode-ray oscilloscope (c.r.o.) display shows the waveform produced by an electronic circuit. The c.r.o. time-base is set at 10 ms per division. What is the period of the signal shown? A 20 ms B 30 ms C 40 ms D 80 ms

1 marks

Answer: C

This question in 9702/11 May/June 2006

1 Which product-pair of metric prefixes has the greatest magnitude? A pico × mega B nano × kilo C micro × giga D milli × tera

1 marks

Answer: D

This question in 9702/11 Oct/Nov 2006

2 In the expressions below a is acceleration, F is force, m is mass, t is time, v is velocity. Which expression represents energy? 2mv at 2 A Ft B Fvt C D t 2

1 marks

Answer: B

This question in 9702/11 Oct/Nov 2006

4 An oscilloscope display consists of two separate traces, a waveform and a long horizontal line. The horizontal line may be taken as the zero level. The grid on the screen is calibrated in cm squares, the timebase setting is 2.5 ms cm–1, and the Y-sensitivity is 5 mV cm–1. What are the period and the peak positive voltage of the waveform in the diagram? period / ms peak positive voltage / mV A 5 17 B 5 25 C 10 17 D 10 25

1 marks

Answer: C

This question in 9702/11 May/June 2007

1 Five energies are listed. 5 kJ 5 mJ 5 MJ 5 nJ Starting with the smallest first, what is the order of increasing magnitude of these energies? A 5 kJ → 5 mJ → 5 MJ → 5 nJ B 5 nJ → 5 kJ → 5 MJ → 5 mJ C 5 nJ → 5 mJ → 5 kJ → 5 MJ D 5 mJ → 5 nJ → 5 kJ → 5 MJ

1 marks

Answer: C

This question in 9702/11 May/June 2008

3 What is a reasonable estimate of the average kinetic energy of an athlete during a 100 m race that takes 10 s? A 40 J B 400 J C 4000 J D 40 000 J

1 marks

Answer: C

This question in 9702/11 May/June 2008

1 A laser emits light of wavelength 600 nm. What is the distance, expressed as a number of wavelengths, travelled by the light in one second? A 5 × 108 B 5 × 1011 C 5 × 1014 D 5 × 1017

1 marks

Answer: C

This question in 9702/11 Oct/Nov 2008

2 The diagram shows a cathode-ray oscilloscope (c.r.o.) being used to measure the rate of rotation of a flywheel. flywheel 10 cm M coil The flywheel has a small magnet M mounted on it. Each time the magnet passes the coil, a voltage pulse is generated, which is passed to the c.r.o. The display of the c.r.o. is 10 cm wide. The flywheel is rotating at a rate of about 3000 revolutions per minute. Which time-base setting will display clearly separate pulses on the screen? A 1 s cm–1 B 10 ms cm–1 C 100 µs cm–1 D 1 µs cm–1 Space for working

1 marks

Answer: B

This question in 9702/13 Oct/Nov 2010

4 A signal has a frequency of 2.0 MHz. What is the period of the signal? A 2 µs B 5 µs C 200 ns D 500 ns

1 marks

Answer: D

This question in 9702/13 Oct/Nov 2010

5 The angular deflection of the needle of an ammeter varies with the current passing through the ammeter as shown in the graph. angular deflection 0 0 current Which diagram could represent the appearance of the scale on this meter? A B 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 1 8 0 9 C D 2 3 45 6 7 8 3 4 5 6 1 0 1 2 7 8 9 0 9 Space for working

1 marks

Answer: A

This question in 9702/13 Oct/Nov 2010

2 Which definition is correct and uses only quantities rather than units? A Density is mass per cubic metre. B Potential difference is energy per unit current. C Pressure is force per unit area. D Speed is distance travelled per second.

1 marks

Answer: C

This question in 9702/11 May/June 2011

8 A body has a weight of 58.9 N when on the Earth. On the Moon, the acceleration of free fall is 1.64 m s–2. What are the weight and the mass of the body when it is on the Moon? weight / N mass / kg A 9.85 1.00 B 9.85 6.00 C 58.9 1.00 D 58.9 6.00

1 marks

Answer: B

This question in 9702/11 May/June 2011

3 In making reasonable estimates of physical quantities, which statement is not correct? A The frequency of sound can be of the order of GHz. B The wavelength of light can be of the order of 600 nm. C The Young modulus can be of the order of 1011 Pa. D Beta radiation is associated with one unit of negative charge.

1 marks

Answer: A

This question in 9702/12 May/June 2011

5 The time-base on a cathode-ray oscilloscope is set at 6 ms / cm. A trace consisting of two pulses is recorded as shown in the diagram. 2.5 cm 4.5 cm What is the time interval between the two pulses? A 0.42 ms B 0.75 ms C 1.33 ms D 27 ms

1 marks

Answer: D

This question in 9702/12 May/June 2011

3 Which definition is correct and uses only quantities rather than units? A Density is mass per cubic metre. B Potential difference is energy per unit current. C Pressure is force per unit area. D Speed is distance travelled per second. Space for working

1 marks

Answer: C

This question in 9702/13 May/June 2011

6 A body has a weight of 58.9 N when on the Earth. On the Moon, the acceleration of free fall is 1.64 m s–2. What are the weight and the mass of the body when it is on the Moon? weight / N mass / kg A 9.85 1.00 B 9.85 6.00 C 58.9 1.00 D 58.9 6.00 Space for working

1 marks

Answer: B

This question in 9702/13 May/June 2011

2 An Olympic athlete of mass 80 kg competes in a 100 m race. What is the best estimate of his mean kinetic energy during the race? A 4 × 102 J B 4 × 103 J C 4 × 104 J D 4 × 105 J

1 marks

Answer: B

This question in 9702/11 Oct/Nov 2011

2 What is the ratio ? 10 3 kHz A 10–9 B 10–6 C 100 D 103

1 marks

Answer: D

This question in 9702/12 Oct/Nov 2011

2 For which quantity is the magnitude a reasonable estimate? A frequency of a radio wave 500 pHz B mass of an atom 500 µg C the Young modulus of a metal 500 kPa D wavelength of green light 500 nm

1 marks

Answer: D

This question in 9702/12 May/June 2012

6 The diagram shows two complete pulses on the screen of a cathode-ray oscilloscope. A grid of 1 cm squares covers the screen. The time-base setting is 1 µs cm–1. 1 cm How long does each pulse last? A 2 µs B 3 µs C 4 µs D 6 µs Space for working

1 marks

Answer: A

This question in 9702/12 May/June 2012

5 The density of the material of a coil of thin wire is to be found. Which set of instruments could be used to do this most accurately? A metre rule, protractor, spring balance B micrometer, metre rule, top-pan balance C stopwatch, newton-meter, vernier calipers D tape measure, vernier calipers, lever balance Space for working

1 marks

Answer: B

This question in 9702/11 Oct/Nov 2012

5 A student is given a reel of wire of diameter less than 0.2 mm and is asked to find the density of the metal. Which pair of instruments would be most suitable for finding the volume of the wire? A balance and micrometer B metre rule and micrometer C metre rule and vernier calipers D micrometer and vernier calipers Space for working

1 marks

Answer: B

This question in 9702/12 Oct/Nov 2012

5 The diagram shows a calibration curve for a thermistor, drawn with an unusual scale on the vertical axis. 100 000 resistance / Ω 10 000 1000 100 0 10 20 30 40 50 temperature / °C What is the thermistor resistance corresponding to a temperature of 40 °C? A 130 Ω B 150 Ω C 400 Ω D 940 Ω Space for working

1 marks

Answer: C

This question in 9702/12 May/June 2013

24 The order of magnitude of the frequency of the shortest wavelength of visible light waves can be expressed as 10x Hz. What is the value of x? A 12 B 13 C 14 D 15 Space for working

1 marks

Answer: D

This question in 9702/12 May/June 2013

3 Which statement is incorrect by a factor of 100 or more? A Atmospheric pressure is about 1 × 105 Pa. B Light takes 5 × 102 s to reach us from the Sun. C The frequency of ultra-violet light is 3 × 1012 Hz. D The life-span of a man is about 2 × 109 s. Space for working

1 marks

Answer: C

This question in 9702/13 May/June 2013

3 The drag coefficient Cd is a number with no units. It is used to compare the drag on different cars at different speeds. It is given by the equation 2 F Cd = ρ v n A where F is the drag force on the car, ρ is the density of the air, A is the cross-sectional area of the car and v is the speed of the car. What is the value of n? A 1 B 2 C 3 D 4

1 marks

Answer: B

This question in 9702/11 Oct/Nov 2013

3 The drag coefficient Cd is a number with no units. It is used to compare the drag on different cars at different speeds. It is given by the equation 2 F Cd = ρ v n A where F is the drag force on the car, ρ is the density of the air, A is the cross-sectional area of the car and v is the speed of the car. What is the value of n? A 1 B 2 C 3 D 4

1 marks

Answer: B

This question in 9702/12 Oct/Nov 2013

1 Which estimate is realistic? A The kinetic energy of a bus travelling on an expressway is 30 000 J. B The power of a domestic light is 300 W. C The temperature of a hot oven is 300 K. D The volume of air in a car tyre is 0.03 m3.

1 marks

Answer: D

This question in 9702/13 Oct/Nov 2013

3 The speed v of a liquid leaving a tube depends on the change in pressure ∆P and the density ρ of the liquid. The speed is given by the equation ∆ P  n v = k    ρ  where k is a constant that has no units. What is the value of n ? A 1 B 1 C 3 D 2 2 2 Space for working

1 marks

Answer: A

This question in 9702/11 May/June 2014

1 The maximum theoretical power P of a wind turbine is given by the equation P = kρAv n where ρ is the density of air, A is the area swept by the turbine blades, v is the speed of the air and k is a constant with no units. What is the value of n ? A 1 B 2 C 3 D 4

1 marks

Answer: C

This question in 9702/12 May/June 2014

3 A cathode-ray oscilloscope (c.r.o.) is connected to an alternating voltage. The following trace is produced on the screen. 1 cm 1 cm The oscilloscope time-base setting is 0.5 ms cm–1 and the Y-plate sensitivity is 2 V cm–1. Which statement about the alternating voltage is correct? A The amplitude is 3.5 cm. B The frequency is 0.5 kHz. C The period is 1 ms. D The wavelength is 4 cm. Space for working

1 marks

Answer: B

This question in 9702/12 May/June 2014

1 A 0.10 kg mass is taken to Mars and then weighed on a spring balance and on a lever balance. The acceleration due to gravity on Mars is 38% of its value on Earth. What are the readings on the two balances on Mars? (Assume that on Earth g = 10 m s–2.) spring lever balance / N balance / kg A 0.38 0.038 B 0.38 0.10 C 1.0 0.038 D 1.0 0.10

1 marks

Answer: B

This question in 9702/11 Oct/Nov 2014

1 A 0.10 kg mass is taken to Mars and then weighed on a spring balance and on a lever balance. The acceleration due to gravity on Mars is 38% of its value on Earth. What are the readings on the two balances on Mars? (Assume that on Earth g = 10 m s–2.) spring lever balance / N balance / kg A 0.38 0.038 B 0.38 0.10 C 1.0 0.038 D 1.0 0.10

1 marks

Answer: B

This question in 9702/12 Oct/Nov 2014

3 When a constant braking force is applied to a vehicle moving at speed v, the distance d moved by the vehicle in coming to rest is given by the expression d = kv 2 where k is a constant. When d is measured in metres and v is measured in metres per second, the constant has a value of k1. What is the value of the constant when the distance is measured in metres, and the speed is measured in kilometres per hour? A 0.0772 k1 B 0.278 k1 C 3.60 k1 D 13.0 k1

1 marks

Answer: A

This question in 9702/11 May/June 2015

5 The angular deflection of the needle of an ammeter varies with the current in the ammeter as shown in the graph. angular deflection 0 0 current Which diagram could represent the appearance of the scale on this meter? A B 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 1 8 0 9 C D 2 3 45 6 7 8 3 4 5 6 1 0 1 2 7 8 9 0 9

1 marks

Answer: A

This question in 9702/11 May/June 2015

1 Which definition is correct and uses only quantities rather than units? A Density is mass per cubic metre. B Potential difference is energy per unit current. C Pressure is force per unit area. D Speed is distance travelled per second.

1 marks

Answer: C

This question in 9702/12 May/June 2015

4 A student is given a reel of wire of diameter less than 0.2 mm and is asked to find the density of the metal. Which pair of instruments would be most suitable for finding the volume of the wire? A balance and micrometer B metre rule and micrometer C metre rule and vernier calipers D micrometer and vernier calipers

1 marks

Answer: B

This question in 9702/13 May/June 2015

3 In making reasonable estimates of physical quantities, which statement is not correct? A The frequency of sound can be of the order of GHz. B The wavelength of light can be of the order of 600 nm. C The Young modulus of a metal can be of the order of 1011 Pa. D Beta particles are associated with one unit of negative charge.

1 marks

Answer: A

This question in 9702/11 Oct/Nov 2015

6 A light-meter measures the intensity I of the light incident on it. Theory suggests that I varies inversely as the square of the distance d. light-meter d Which graph of the results supports this theory? A B I I 0 0 0 d 0 d C D I I 0 0 0 1 0 d 2 d 2

1 marks

Answer: C

This question in 9702/11 Oct/Nov 2015

1 Which list shows increasing lengths from beginning to end? A 1 cm 1 nm 1 mm 1 µm B 1 µm 1 mm 1 nm 1 cm C 1 nm 1 µm 1 mm 1 cm D 1 mm 1 cm 1 µm 1 nm

1 marks

Answer: C

This question in 9702/12 Oct/Nov 2015

4 Which row gives reasonable estimates for the mass and the speed of an adult running? mass / kg speed / m s–1 A 6 × 100 5 × 101 B 6 × 101 5 × 100 C 6 × 101 5 × 101 D 6 × 102 5 × 100

1 marks

Answer: B

This question in 9702/12 Oct/Nov 2015

6 The diagram shows two complete pulses on the screen of a cathode-ray oscilloscope. A grid of 1 cm squares covers the screen. The time-base setting is 1 µs cm–1. 1 cm How long does each pulse last? A 2 µs B 3 µs C 4 µs D 6 µs

1 marks

Answer: A

This question in 9702/12 Oct/Nov 2015

1 Which quantity with its unit is correct? A acceleration of a bicycle = 1.4 m s–1 B electric current in a lamp = 0.25 A s–1 C electric potential difference across a battery = 8.0 J C–1 D kinetic energy of a car = 4500 N m–1

1 marks

Answer: C

This question in 9702/12 May/June 2016

5 The following trace is seen on the screen of a cathode-ray oscilloscope. The setting of the time-base is then changed from 10 ms cm–1 to 20 ms cm–1 and the Y-plate sensitivity remains constant. Which trace is now seen on the screen? A B C D

1 marks

Answer: C

This question in 9702/13 May/June 2016

23 A beam of red laser light has length 1.0 m. What is the order of magnitude of the number of wavelengths of the red light in 1.0 m? A 104 B 106 C 108 D 1010

1 marks

Answer: B

This question in 9702/13 May/June 2016

5 A student uses a cathode-ray oscilloscope (c.r.o.) to measure the period of a signal. She sets the time-base of the c.r.o. to 5 ms cm–1 and observes the trace illustrated below. The trace has a length of 10.0 cm. 10.0 cm What is the period of the signal? A 7.1 × 10–6 s B 1.4 × 10–5 s C 7.1 × 10–3 s D 1.4 × 10–2 s

1 marks

Answer: D

This question in 9702/11 Oct/Nov 2016

5 A student uses a cathode-ray oscilloscope (c.r.o.) to measure the period of a signal. She sets the time-base of the c.r.o. to 5 ms cm–1 and observes the trace illustrated below. The trace has a length of 10.0 cm. 10.0 cm What is the period of the signal? A 7.1 × 10–6 s B 1.4 × 10–5 s C 7.1 × 10–3 s D 1.4 × 10–2 s

1 marks

Answer: D

This question in 9702/13 Oct/Nov 2016

2 What is an approximate value for the speed of sound in air? A 30 m s–1 B 300 m s–1 C 30 000 m s–1 D 300 000 000 m s–1

1 marks

Answer: B

This question in 9702/12 Feb/March 2017

4 A student is investigating an electrical signal using a cathode-ray oscilloscope (c.r.o). The frequency of the signal is 50 kHz. Which time-base setting on the oscilloscope should be used? A 50 ms cm–1 B 1 ms cm–1 C 10 µs cm–1 D 0.5 µs cm–1

1 marks

Answer: C

This question in 9702/12 Feb/March 2017

8 The acceleration of free fall on Pluto is 0.66 m s–2. An object weighs 6.0 N on Earth. What would this object weigh on Pluto? A 0.40 N B 0.93 N C 4.0 N D 39 N

1 marks

Answer: A

This question in 9702/12 Feb/March 2017

1 A student creates a table to show reasonable estimates of some physical quantities. Which row is not a reasonable estimate? quantity value A current in a fan heater 12 A B mass of an adult person 70 kg C speed of an Olympic sprint runner 10 m s–1 D water pressure at the bottom of a garden pond 106 Pa

1 marks

Answer: D

This question in 9702/11 May/June 2017

3 The speed v of a liquid leaving a tube depends on the change in pressure ∆P and the density ρ of the liquid. The speed is given by the equation ∆  n v = k  P   ρ  where k is a constant that has no units. What is the value of n ? A 1 B 1 C 3 D 2 2 2

1 marks

Answer: A

This question in 9702/11 May/June 2017

1 What is the approximate average speed of a winning female Olympic athlete running a 100 m race? A 6 m s–1 B 9 m s–1 C 12 m s–1 D 15 m s–1

1 marks

Answer: B

This question in 9702/12 May/June 2017

5 A transmitter emits a pulse of electromagnetic waves towards a reflector. The pulse is reflected and returns to the transmitter. A detector is located at the transmitter. The emitted pulse and the reflected pulse are displayed on a cathode-ray oscilloscope (c.r.o.) as shown. 1 cm 1 cm The pulse takes 6.3 µs to travel from the transmitter to the reflector. What is the time-base setting of the c.r.o.? A 2.1 µs cm–1 B 3.2 µs cm–1 C 4.2 µs cm–1 D 6.3 µs cm–1

1 marks

Answer: C

This question in 9702/12 Oct/Nov 2017

1 How many cubic nanometres, nm3, are in a cubic micrometre, µm3? A 103 B 106 C 109 D 1012

1 marks

Answer: C

This question in 9702/13 Oct/Nov 2017

2 The maximum theoretical power P of a wind turbine is given by the equation P = kρAv n where ρ is the density of air, A is the area swept by the turbine blades, v is the speed of the air and k is a constant with no units. What is the value of n ? A 1 B 2 C 3 D 4

1 marks

Answer: C

This question in 9702/13 Oct/Nov 2017

7 The graph shows the variation with mass of the weight of objects on a particular planet. 4 weight / N 3 2 1 0 0 1 2 mass / kg What is the value of the acceleration of free fall on the planet? A 0.63 m s–2 B 1.6 m s–2 C 3.2 m s–2 D 9.8 m s–2

1 marks

Answer: B

This question in 9702/11 May/June 2018

1 A sheet of gold leaf has a thickness of 0.125 µm. A gold atom has a radius of 174 pm. Approximately how many layers of atoms are there in the sheet? A 4 B 7 C 400 D 700

1 marks

Answer: C

This question in 9702/12 May/June 2018

1 What is the best way of describing a physical quantity? A a quantity with a magnitude and a direction but no unit B a quantity with a magnitude and a unit C a quantity with a magnitude but no direction D a quantity with a unit but no magnitude

1 marks

Answer: B

This question in 9702/13 May/June 2018

1 The radius of the Earth is approximately 6.4 × 106 m, and the radius of the Moon is approximately 1.7 × 106 m. A student wishes to build a scale model of the Solar System in the classroom, using a football of radius 0.12 m to represent the Earth. Which object would best represent the Moon? A basketball B cherry C golf ball D tennis ball

1 marks

Answer: D

This question in 9702/11 Oct/Nov 2018

8 The acceleration of free fall on the surface of planet P is one tenth of that on the surface of planet Q. On the surface of P, a body has a mass of 1.0 kg and a weight of 1.0 N. What are the mass and the weight of the same body on the surface of planet Q? mass on Q / kg weight on Q / N A 1.0 0.1 B 1.0 10 C 10 10 D 10 100

1 marks

Answer: B

This question in 9702/12 Oct/Nov 2018

1 Which statement is not a reasonable estimate? A Atmospheric pressure at sea level is about 1 × 105 Pa. B Light takes 5 × 102 s to reach us from the Sun. C The frequency of ultraviolet light is 3 × 1012 Hz. D The lifespan of a man is about 2 × 109 s.

1 marks

Answer: C

This question in 9702/13 Oct/Nov 2018

1 A wave has a frequency of 5 GHz. What is the period of the wave? A 200 ps B 2 ns C 20 ns D 20 000 µs

1 marks

Answer: A

This question in 9702/12 Feb/March 2019

1 For which quantity is the magnitude a reasonable estimate? A frequency of a radio wave 500 pHz B mass of an atom 500 µg C the Young modulus of a metal 500 kPa D wavelength of green light 500 nm

1 marks

Answer: D

This question in 9702/11 Oct/Nov 2019

1 The table shows some measurable quantities. Which row gives the correct order of magnitude of the measurable quantity in the stated unit? order of measurable quantity unit magnitude A mass of a coin 10–4 kg B thickness of a sheet of paper 10–2 m C weight of an apple 100 N D temperature of a person’s body 101 K

1 marks

Answer: C

This question in 9702/12 Feb/March 2020

4 A transmitter emits a pulse of electromagnetic waves towards a reflector. The pulse is reflected and returns to the transmitter. A detector is located at the transmitter. The emitted pulse and the reflected pulse are displayed on a cathode-ray oscilloscope (CRO) as shown. 1 cm 1 cm The pulse takes 6.3 µs to travel from the transmitter to the reflector. What is the time-base setting of the CRO? A 2.1 µs cm–1 B 3.2 µs cm–1 C 4.2 µs cm–1 D 6.3 µs cm–1

1 marks

Answer: C

This question in 9702/12 Feb/March 2020

1 What is a reasonable estimate of the mass of a raindrop? A 101 kg B 10–1 kg C 10–3 kg D 10–5 kg

1 marks

Answer: D

This question in 9702/12 May/June 2020

1 Which quantity is a physical quantity? A atomic number B efficiency C number density of charge carriers D strain

1 marks

Answer: C

This question in 9702/11 Oct/Nov 2020

1 A student uses the volume of a metal coin in order to determine the density of the metal. What is not needed in order to determine an estimate of the volume of the coin? A estimate of the diameter B estimate of the mass C estimate of the thickness D use of the formula for the volume of a cylinder

1 marks

Answer: B

This question in 9702/12 Oct/Nov 2020

1 What is a reasonable estimate of the volume of a fully inflated standard football? A 600 cm3 B 6000 cm3 C 60 000 cm3 D 600 000 cm3

1 marks

Answer: B

This question in 9702/13 Oct/Nov 2020

1 What is a reasonable estimate of the volume of an adult person? A 0.10 m3 B 0.50 m3 C 1.0 m3 D 2.0 m3

1 marks

Answer: A

This question in 9702/11 May/June 2021

4 A signal of frequency 25 Hz is displayed on the screen of a cathode-ray oscilloscope. 1 cm 1 cm What is the time-base setting? A 10 ms cm–1 B 20 ms cm–1 C 25 ms cm–1 D 40 ms cm–1

1 marks

Answer: B

This question in 9702/11 May/June 2021

9 The weights and masses of four different objects on the surfaces of four different planets are shown. Which planet has the lowest value of acceleration of free fall at its surface? weight mass A 40 mN 6.0 g B 3.0 N 500 g C 10 N 1 kg D 2.6 kN 750 kg

1 marks

Answer: D

This question in 9702/13 May/June 2021

1 What is essential when recording a measurement of a physical quantity? A the measurement has an SI unit B the measurement has a unit and a number C the measurement has a unit given as a base unit D the measurement is from an analogue scale

1 marks

Answer: B

This question in 9702/11 Oct/Nov 2021

1 Which term represents a physical quantity? A metre B percentage uncertainty C quark flavour D spring constant

1 marks

Answer: D

This question in 9702/11 May/June 2022

1 Which estimate is reasonable? A 1  10–3 kg for the mass of a grain of sand B 1  10–2 m3 for the volume of a tennis ball C 1  100 J for the work done lifting an apple from waist height to head height D 1  104 W for the power of a light bulb in a house

1 marks

Answer: C

This question in 9702/12 May/June 2022

1 What is needed to accurately represent all physical quantities? A a base unit and a number B a unit and a number expressed in standard form (scientific notation) C a unit and a numerical magnitude D an SI unit and a numerical magnitude

1 marks

Answer: C

This question in 9702/11 Oct/Nov 2022

1 Which quantity is a physical quantity? A flavour B kelvin C minute D potential difference

1 marks

Answer: D

This question in 9702/12 Oct/Nov 2022

1 A train of mass 600 000 kg moves with a speed of 100 km h–1. What is the order of magnitude of the kinetic energy of the train? A 106 J B 108 J C 1010 J D 1012 J

1 marks

Answer: B

This question in 9702/13 Oct/Nov 2022

1 What represents a physical quantity? A 3.0 B kilogram C 7.0 N D 40%

1 marks

Answer: C

This question in 9702/12 Feb/March 2023

1 What must be included in a record of a physical quantity? A an integer value for the quantity B an SI unit C a numerical value for the quantity D a unit expressed in base units

1 marks

Answer: C

This question in 9702/13 May/June 2023

1 A student estimates the maximum speed of some different moving objects. Which maximum speed is not a reasonable estimate? A container ship: 10 m s–1 B Olympic sprinter: 0.1 km s–1 C racing car: 9000 cm s–1 D snail: 0.01 km h–1

1 marks

Answer: B

This question in 9702/12 Oct/Nov 2023

2 Which of the following could have the same units as force? energy A distance energy B time C momentum  distance D momentum  time

1 marks

Answer: A

This question in 9702/11 May/June 2024

10 What is meant by the mass and by the weight of an object on the Earth? mass weight A its momentum divided by its velocity the work done in lifting it one metre B the gravitational force on it the property that resists its acceleration C the pull of the Earth on it its mass divided by the acceleration of free fall D the property that resists its acceleration the pull of the Earth on it

1 marks

Answer: D

This question in 9702/11 May/June 2024

4 What is a reasonable estimate of the volume of one page from this examination paper? A 60 mm3 B 600 mm3 C 6000 mm3 D 60 000 mm3

1 marks

Answer: C

This question in 9702/11 Oct/Nov 2024

1 Which statement about physical quantities is correct? A A physical quantity does not always have a magnitude or a unit. B A physical quantity must always have a magnitude but does not always have a unit. C A physical quantity must always have a unit but does not always have a magnitude. D A physical quantity must always have a magnitude and a unit.

1 marks

Answer: D

This question in 9702/13 Oct/Nov 2024

2 What is a reasonable estimate of the mass of a solid sphere of copper that has a diameter of 60 cm? A 0.1 kg B 10 kg C 1000 kg D 100 000 kg

1 marks

Answer: C

This question in 9702/13 Oct/Nov 2024

1 What must all physical quantities have? A a direction and a magnitude B a direction and a unit C a magnitude and a prefix D a magnitude and a unit

1 marks

Answer: D

This question in 9702/12 May/June 2025

4 The time period T of a pendulum is given by  L   n T = 2   g  where L is the length of the pendulum and g is the acceleration of free fall. The equation is homogeneous. What is the value of n? 1 1 A –2 B – C D 2 2 2

1 marks

Answer: C

This question in 9702/12 May/June 2025

1 The number of atoms in a mobile phone handset may be estimated by dividing the approximate volume of the handset by the approximate volume of an atom. What is a reasonable estimate of the number of atoms in a mobile phone handset? A 1017 B 1026 C 1032 D 1037

1 marks

Answer: B

This question in 9702/14 May/June 2025

1 What is a reasonable estimate of the weight of an adult human? A 7  100 N B 7  102 N C 7  104 N D 7  106 N

1 marks

Answer: B

This question in 9702/12 Oct/Nov 2025

1 What is essential to accurately represent all physical quantities? A a base unit and a number B a unit and a number expressed in standard form (scientific notation) C a unit and a numerical magnitude D an SI unit and a numerical magnitude

1 marks

Answer: C

This question in 9702/14 Oct/Nov 2025

8 The acceleration of free fall on the Earth is different to the acceleration of free fall on the Moon. How do the mass and weight of an object on the Earth compare to its mass and weight on the Moon? mass weight A different different B different same C same different D same same

1 marks

Answer: C

This question in 9702/14 Oct/Nov 2025