Cambridge IGCSE Physics 0625 — 2017 Oct/Nov Paper 1 · Variant 2
0625/12/O/N/17 · 40 questions · 40 marks · ≈45 min
The question paper and its mark scheme, free to read here and free to download. This is Cambridge’s own paper, exactly as it was sat.
Question paper20 pages
Mark scheme3 pages
Answers below. Sit the paper first if you are practising.
Questions as text
Q1 · A student investigates the rate of flow of oil through a funnel
1 A student investigates the rate of flow of oil through a funnel. The diagrams show the experiment and the volume of oil in the measuring cylinder at the start of the experiment, and one minute later. 80 80 cm3 cm3 60 60 40 40 20 20 initial after 1.0 measurement minute What is the rate of flow of oil through the funnel during the one minute? A 0.73 cm3 / s B 0.80 cm3 / s C 44 cm3 / s D 48 cm3 / s
Mark scheme: B
More questions on Physical quantities and measurement techniques
Q2 · The graph represents the motion of a vehicle
2 The graph represents the motion of a vehicle. 20 speed m / s 0 0 400 time / s What is the distance travelled by the vehicle in 400 s? A 20 m B 400 m C 4000 m D 8000 m
Mark scheme: C
Q3 · The speed-time graph represents the motion of an object
3 The speed-time graph represents the motion of an object. 18 16 speed m / s 14 12 10 8.0 6.0 4.0 2.0 0.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 time / s What is the average speed of the object? A 2.0 m / s B 6.0 m / s C 8.5 m / s D 11 m / s
Mark scheme: D
Q4 · A spring is stretched by hanging a piece of metal from it
4 A spring is stretched by hanging a piece of metal from it. spring metal Which name is given to the force that stretches the spring? A friction B mass C pressure D weight
Mark scheme: D
Q5 · The graph shows how weight varies with mass on planet P and on planet Q
5 The graph shows how weight varies with mass on planet P and on planet Q. 400 planet P weight / N 300 planet Q 200 100 0 0 20 40 60 80 mass / kg An object weighs 400 N on planet P. The object is taken to planet Q. Which row is correct? mass of object weight of object on planet Q / kg on planet Q / N A 40 200 B 40 400 C 80 200 D 80 400
Mark scheme: A
Q6 · What is needed to determine the density of a regularly shaped block?
6 What is needed to determine the density of a regularly shaped block? A a balance and a beaker B a balance and a ruler C a measuring cylinder and a beaker D a measuring cylinder and a ruler
Mark scheme: B
Q7 · The diagram shows an aircraft flying in a straight horizontal line at constant speed
7 The diagram shows an aircraft flying in a straight horizontal line at constant speed. W is the weight of the aircraft. L is the lift (upward force) due to air flow over the wings. T is the thrust force due to the engine. D is the air resistance (drag). The diagram shows the direction of these forces. L D T W What are the relationships between the forces? A L = W and T = D B L = W and T is greater than D C L is greater than W and T = D D L is greater than W and T is greater than D
Mark scheme: A
Q8 · A pivoted beam supports a load P at one end and a load Q at the other end
8 A pivoted beam supports a load P at one end and a load Q at the other end. The weight of the beam can be ignored. 30 cm 70 cm pivot P Q The beam is balanced. Which row gives possible values for P and for Q? P / N Q / N A 21 7 B 21 9 C 30 10 D 30 70
Mark scheme: B
Q9 · Each diagram shows a metal plate with four parallel forces acting on it
9 Each diagram shows a metal plate with four parallel forces acting on it. These are the only forces acting on the plates. In which diagram is the plate in equilibrium? A B 1.0 N 2.0 N 2.0 N 1.0 N 2.0 N 1.0 N 1.0 N 2.0 N C D 1.0 N 1.0 N 2.0 N 1.0 N 2.0 N 2.0 N 2.0 N 2.0 N
Mark scheme: C
Q10 · A load is attached to the end of a spring
10 A load is attached to the end of a spring. A student pulls the load down from its rest position and releases it. It oscillates vertically and eventually comes to rest. load load Which row gives the type of energy transferred to the apparatus, and the type of energy to which this has then been transferred when the load comes to rest? type of energy to which this type of energy transferred has then been transferred to the apparatus when the load comes to rest A elastic energy in the spring chemical energy in the spring and in the air B elastic energy in the spring thermal energy in the spring and in the air C gravitational potential chemical energy in the energy in the load spring and in the air D gravitational potential thermal energy in the energy in the load spring and in the air
Mark scheme: B
Q11 · A student runs up a flight of stairs
11 A student runs up a flight of stairs. height length Which information is not needed to calculate the rate at which the student is doing work against gravity? A the height of the flight of stairs B the length of the flight of stairs C the time taken to run up the stairs D the weight of the student
Mark scheme: B
Q12 · A book has a mass of 400 g
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
Mark scheme: D
Q13 · The diagram shows a simple mercury barometer
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
Mark scheme: B
Q14 · A pollen grain in a beaker of still water is viewed through a microscope
14 A pollen grain in a beaker of still water is viewed through a microscope. Which diagram shows the most likely movement of the pollen grain? A B C D
Mark scheme: A
Q15 · The diagram shows an air-filled rubber toy
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
Mark scheme: D
Q16 · Which row identifies the fixed points on the Celsius scale?
16 Which row identifies the fixed points on the Celsius scale? lower fixed point upper fixed point A boiling point of mercury melting point of pure ice B boiling point of pure water melting point of pure ice C melting point of mercury boiling point of pure water D melting point of pure ice boiling point of pure water
Mark scheme: D
Q17 · The diagram shows an electric heater being used to heat a beaker of water and an…
17 The diagram shows an electric heater being used to heat a beaker of water and an identical beaker containing oil. Both are heated for one minute. water oil electric heater The temperature of the water and the temperature of the oil increase steadily. The increase in temperature of the oil is much greater than that of the water. Why is this? A Oil has a higher boiling point than water. B Oil has a lower boiling point than water. C The oil has a larger thermal capacity than the water. D The oil has a smaller thermal capacity than the water.
Mark scheme: D
Q18 · Which statement about the direction of a change of state is correct?
18 Which statement about the direction of a change of state is correct? A Evaporation is the reverse process to boiling. B Evaporation is the reverse process to condensation. C Evaporation is the reverse process to melting. D Evaporation is the reverse process to solidification.
Mark scheme: B
Q19 · Three cups are made from the same insulating material
19 Three cups are made from the same insulating material. cup 1 cup 2 cup 3 The cups are each filled with the same volume of hot tea. In which cup does the tea cool most quickly and in which cup does it cool most slowly? most quickly most slowly A 1 3 B 2 1 C 3 2 D 3 1
Mark scheme: C
Q20 · Why does a balloon filled with hot air rise?
20 Why does a balloon filled with hot air rise? A Cold air is less dense than hot air. B Cold air is more dense than hot air. C Heat rises. D The density of the balloon is greater than the density of the surrounding gas.
Mark scheme: B
Q21 · A wave moves along the surface of water
21 A wave moves along the surface of water. What is the wavelength of the wave? A the distance between one crest and the next crest B the distance that a crest moves along the surface in one second C the distance that a particle of water moves up and down D the number of waves that pass a fixed point in one second
Mark scheme: A
Q22 · The diagram represents plane wavefronts of a water wave about to strike a solid barrier
22 The diagram represents plane wavefronts of a water wave about to strike a solid barrier. wavefronts Which diagram shows the position of the wavefronts after reflection at the barrier? A B reflected reflected C D reflected reflected
Mark scheme: C
Q23 · The diagram shows an object O in front of a thin converging lens of focal length f
23 The diagram shows an object O in front of a thin converging lens of focal length f. At which point will the lens form a sharp image of the object? A O B f f C D
Mark scheme: D
Q24 · The diagram shows light travelling from glass to air
24 The diagram shows light travelling from glass to air. air 20° glass 50° What is the angle of refraction for this ray of light? A 20° B 40° C 50° D 70°
Mark scheme: D
Q25 · Which piece of equipment is designed to produce a type of electromagnetic wave?
25 Which piece of equipment is designed to produce a type of electromagnetic wave? A electric fire B electric generator C electric motor D electromagnet
Mark scheme: A
Question 26
26 What is ultrasound? A sound waves that are so loud that they damage human hearing B sound waves that are too high-pitched for humans to hear C sound waves that are too low-pitched for humans to hear D sound waves that are too quiet for humans to hear
Mark scheme: B
Q27 · A student finds that it takes sound 0.33 seconds to travel 100 metres
27 A student finds that it takes sound 0.33 seconds to travel 100 metres. From this information, what is the speed of sound? A 30 m / s B 60 m / s C 300 m / s D 600 m / s
Mark scheme: C
Q28 · A train of steel nails and a train of iron nails hang from a strong magnet
28 A train of steel nails and a train of iron nails hang from a strong magnet. magnet train of train of steel nails iron nails The trains are then carefully removed from the magnet. What happens to the trains? A Both trains fall apart. B Both trains stay together. C Only the train of iron nails falls apart. D Only the train of steel nails falls apart.
Mark scheme: C
Q29 · Two circuits are set up as shown
29 Two circuits are set up as shown. The iron rods are placed close together and are able to move. S iron rod iron rod X What happens to the size of the gap at X when switch S is closed? A It decreases. B It decreases then increases. C It increases. D It does not change.
Mark scheme: C
Q30 · Which circuit can be used to determine the resistance of resistor R?
30 Which circuit can be used to determine the resistance of resistor R? A B C D V V A A V R R R V R A A
Mark scheme: C
Q31 · A wire has a resistance R
31 A wire has a resistance R. A second wire made from the same metal has double the length and has double the diameter of the first wire. What is the resistance of the second wire? A R B R C 4R D 8R 2
Mark scheme: A
Q32 · The circuit diagram shows a 4.0 Ω resistor and an 8.0 Ω resistor connected to a 6.0 V…
32 The circuit diagram shows a 4.0 Ω resistor and an 8.0 Ω resistor connected to a 6.0 V battery. 6.0 V 4.0 Ω 8.0 Ω What is the potential difference (p.d.) across the 4.0 Ω resistor? A 0.5 V B 2.0 V C 4.0 V D 6.0 V
Mark scheme: B
Q33 · The diagram shows a motor and a light-dependent resistor (LDR) connected in a circuit
33 The diagram shows a motor and a light-dependent resistor (LDR) connected in a circuit. M Which change decreases the current in the motor so that it turns more slowly? A connecting a resistor in parallel with the LDR B connecting a resistor in series with the LDR C exchanging the positions of the motor and the LDR in the circuit D increasing the brightness of the light falling on the LDR
Mark scheme: B
Q34 · The diagram shows a circuit with a fixed resistor connected in series with a thermistor…
34 The diagram shows a circuit with a fixed resistor connected in series with a thermistor and an ammeter. A Which row shows how temperature change affects the resistance of the thermistor and the current in the circuit? resistance of temperature current in circuit thermistor A decreases decreases increases B decreases increases decreases C increases decreases decreases D increases increases increases
Mark scheme: B
Q35 · An appliance is connected to a mains supply
35 An appliance is connected to a mains supply. Its circuit also contains a switch and a fuse. Which circuit shows the fuse in the correct position? A B appliance appliance live live neutral neutral C D appliance appliance live live neutral neutral
Mark scheme: C
Q36 · The diagram shows a bar magnet and a coil of wire
36 The diagram shows a bar magnet and a coil of wire. The bar magnet is moved at the same speed in each experiment. In which situation is the largest electromotive force (e.m.f.) induced? A B moves right stationary moves left stationary bar magnet coil bar magnet coil C D moves left at same moves left at same moves right speed as bar magnet moves left speed as bar magnet bar magnet coil bar magnet coil
Mark scheme: C
Q37 · A wire carrying an electric current
37 Diagram 1 shows a wire carrying an electric current. The wire is between the poles of a magnet. The current and the magnetic field produce a force on the wire which is upwards, as shown. force current N S S N current diagram 1 diagram 2 The magnetic poles and the current are now both reversed, as in diagram 2. In which direction is the force on the wire in diagram 2? A downwards B towards the North pole of the magnet C towards the South pole of the magnet D upwards
Mark scheme: D
Q38 · A nuclide of radon-222 is represented by 222 Rn
38 A nuclide of radon-222 is represented by 222 Rn . 86 How many protons and how many neutrons are in a nucleus of this nuclide? protons neutrons A 86 136 B 86 222 C 222 86 D 222 136
Mark scheme: A
Q39 · A radioactive source emits three types of radiation R, S and T
39 A radioactive source emits three types of radiation R, S and T. The diagram shows an experiment set up to study the penetrating properties of R, S and T. R S T paper few mm of few cm aluminium of lead Which types of radiation are R, S and T? R S T A α-particles β-particles γ-rays B α-particles γ-rays β-particles C β-particles α-particles γ-rays D γ-rays β-particles α-particles
Mark scheme: B
Q40 · A radioactive source has a half-life of 0.5 hours
40 A radioactive source has a half-life of 0.5 hours. A detector near the source shows a reading of 6000 counts per second. Background radiation can be ignored. What is the reading on the detector 1.5 hours later? A 750 counts per second B 1500 counts per second C 2000 counts per second D 3000 counts per second
Mark scheme: A
What was in this paper
The subtopics covered by these 40 questions, and how many questions each got. Open one in a new tab to see every Cambridge question on it.
4Electromagnetic effects3Forces3Kinetic particle model of matter3Energy, work and power2General properties of waves2Light2Mass and weight2Motion2Pressure2Radioactivity2Sound2Thermal properties and temperature2Transfer of thermal energy2Density1Electrical quantities1Electrical safety1Electromagnetic spectrum1Physical quantities and measurement techniques1Simple phenomena of magnetism1The nuclear model of the atom1What you needed in this session
Cambridge’s own grade thresholds for 2017 Oct/Nov, Paper 1 · Variant 2. A higher threshold means an easier paper — the bar moves with how the cohort did.