Cambridge IGCSE Physics 0625 — 2017 Oct/Nov Paper 2 · Variant 2
0625/22/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 · Four balls with different masses are dropped simultaneously from the heights shown
2 Four balls with different masses are dropped simultaneously from the heights shown. Air resistance may be ignored. Which ball hits the floor last? A B C D 4.0 kg 3.0 kg 2.0 kg 2.0 m 1.0 kg 1.5 m 1.0 m 0.5 m ground
Mark scheme: D
Q3 · The gravitational field strength on the Earth is greater than the gravitational field…
3 The gravitational field strength on the Earth is greater than the gravitational field strength on the Moon. The Earth has an atmosphere, but the Moon does not. Which speed-time graph represents the motion of a light ball dropped from a great height near the surface of the Earth and near the surface of the Moon? A B Earth Moon speed speed Earth Moon 0 0 0 time 0 time C D Earth Earth speed speed Moon Moon 0 0 0 time 0 time
Mark scheme: C
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 · A body of mass m has a weight W in a location where the gravitational field strength is g
5 A body of mass m has a weight W in a location where the gravitational field strength is g. Which statement about these quantities is correct? A m and W are both forces. B m and W are both vector quantities. W = g. C m and W are related by the equation m D m and W have the same unit.
Mark scheme: C
Q6 · An object is pivoted at point P
6 An object is pivoted at point P. A student ties a length of string to a peg on the object. He pulls the string with a force F. string F s t peg r q P object What is the moment of the force F about the point P? A F × q B F × r C F × s D F × t
Mark scheme: C
Q7 · Each diagram shows a metal plate with four parallel forces acting on it
7 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
Q8 · The diagram shows an incomplete scale drawing to find the resultant of two 10 N forces…
8 The diagram shows an incomplete scale drawing to find the resultant of two 10 N forces acting at a point in the directions shown. 10 N 10 N What is the magnitude of the resultant force? A 7.5 N B 8.6 N C 18 N D 20 N
Mark scheme: C
Q9 · A ball has a mass of 0.30 kg
9 A ball has a mass of 0.30 kg. It moves horizontally with a speed of 3.0 m / s in the direction shown. The ball hits a wall. wall wall ball ball 3.0 m / s 2.0 m / s before hitting the wall after hitting the wall The ball rebounds from the wall with a horizontal speed of 2.0 m / s. What is the change in momentum of the ball? A 0.30 kg m / s B 1.0 kg m / s C 1.5 kg m / s D 5.0 kg m / s
Mark scheme: C
Q10 · An object has a mass of 500 kg
10 An object has a mass of 500 kg. It moves with a speed of 30 m / s. What is its kinetic energy? A 7.5 kJ B 15 kJ C 225 kJ D 450 kJ
Mark scheme: C
Q11 · Different processes have different efficiencies
11 Different processes have different efficiencies. Which row shows the most efficient process? energy useful energy input / J output / J A 10 3 B 40 10 C 100 25 D 2000 250
Mark scheme: A
Q12 · A student runs up a flight of stairs
12 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
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 · The diagram shows a glass flask, sealed with a small volume of mercury in a glass tube
16 The diagram shows a glass flask, sealed with a small volume of mercury in a glass tube. When the flask is gently warmed the mercury rises up the tube. glass tube mercury air water What is the main cause of the movement of the mercury? A expansion of air in the flask B expansion of the glass flask C expansion of the glass tube D expansion of the mercury
Mark scheme: A
Q17 · Which row identifies the fixed points on the Celsius scale?
17 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
Q18 · Aluminium has a specific heat capacity of 900 J / (kg °C)
18 Aluminium has a specific heat capacity of 900 J / (kg °C). The internal energy of a 2.0 kg block of aluminium increases by 13 500 J. By how much does the temperature of the block increase? A 0.067 °C B 0.13 °C C 7.5 °C D 15 °C
Mark scheme: C
Q19 · Why does a balloon filled with hot air rise?
19 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
Q20 · The diagram represents plane wavefronts of a water wave about to strike a solid barrier
20 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
Q21 · The diagram shows an object O in front of a thin converging lens of focal length f
21 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
Q22 · The diagram shows a ray of light incident on the surface of a rectangular glass block at…
22 The diagram shows a ray of light incident on the surface of a rectangular glass block at 90° to the surface. ray of light glass block Which quantities remain unchanged as the light enters the glass block? A direction and frequency B direction and speed C frequency and speed D speed and wavelength
Mark scheme: A
Q23 · Which piece of equipment is designed to produce a type of electromagnetic wave?
23 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
Q24 · The Moon is 380 000 km from the Earth
24 The Moon is 380 000 km from the Earth. A laser light beam is directed from the Earth to the Moon. The beam is reflected back to the Earth. How long does it take for the light to travel to the Moon and back to the Earth? A 1.27 ms B 2.53 ms C 1.27 s D 2.53 s
Mark scheme: D
Q25 · Different waves travel through air
25 Different waves travel through air. Which waves have the greatest difference in speed? A ultrasound waves and sound waves B ultrasound waves and ultraviolet waves C ultraviolet waves and light waves D ultraviolet waves and radio waves
Mark scheme: B
Q26 · The speed of sound is different in different states of matter
26 The speed of sound is different in different states of matter. The speed of sound in water is 1500 m / s. Which row correctly compares the speed of sound in ice and the speed of sound in steam with the speed of sound in water? speed of sound in ice speed of sound in steam m / s m / s A less than 1500 less than 1500 B less than 1500 more than 1500 C more than 1500 less than 1500 D more than 1500 more than 1500
Mark scheme: C
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 · An old and expensive steel watch becomes magnetised
29 An old and expensive steel watch becomes magnetised. The owner wants to use the watch again. He must demagnetise the watch. What is the best method to do this? A Insert the watch in a solenoid that carries alternating current and then slowly remove it. B Insert the watch in a solenoid that carries direct current and then slowly remove it. C Pass alternating current through the watch. D Pass direct current through the watch.
Mark scheme: A
Q30 · Which diagram represents the electric field due to a negatively-charged conducting sphere?
30 Which diagram represents the electric field due to a negatively-charged conducting sphere? A B C D – – – –
Mark scheme: A
Q31 · The diagram shows a circuit with a gap between points P and Q
31 The diagram shows a circuit with a gap between points P and Q. Four pieces of metal wire of the same material are connected, in turn, between points P and Q in the circuit. A P Q The table gives the diameters and lengths of the wires. In which wire is the current the largest? diameter / mm length / m A 0.10 1.0 B 0.10 2.0 C 0.20 1.0 D 0.20 2.0
Mark scheme: C
Q32 · The graph shows the way in which one physical quantity y varies with another physical…
32 The graph shows the way in which one physical quantity y varies with another physical quantity x. y 0 0 x Which row gives suitable quantities for y and x? y x A the number of atoms of a the time taken radioactive isotope present B the potential difference the current in the metallic conductor across a metallic conductor C the resistance of a length of wire the diameter of the wire D the volume of a 1.0 kg object the density of the material from which the object is made
Mark scheme: B
Q33 · The potential difference across a car headlamp is 12 V
33 The potential difference across a car headlamp is 12 V. The current in the lamp is 2.5 A. How much energy is transferred by the lamp in 1.0 hour? A 1800 J B 1800 W C 108 000 J D 108 000 W
Mark scheme: C
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 incomplete truth table for a NAND gate is shown
35 An incomplete truth table for a NAND gate is shown. input P input Q output 0 0 W 0 1 X 1 0 Y 1 1 Z What are the values of W, X, Y and Z? W X Y Z A 0 0 0 1 B 0 1 1 1 C 1 0 0 0 D 1 1 1 0
Mark scheme: D
Q36 · The diagram shows a wire hanging freely between the poles of a magnet
36 The diagram shows a wire hanging freely between the poles of a magnet. There is a current in the wire in the direction shown. wire S N current The magnet and current cause a force to act on the wire. In which direction does this force act? A into the page (away from you) B out of the page (toward you) C to the left D to the right
Mark scheme: A
Q37 · A 100% efficient transformer has 6000 turns on its primary coil and 600 turns on its…
37 A 100% efficient transformer has 6000 turns on its primary coil and 600 turns on its secondary coil. The output voltage of the transformer is 12 V. A resistor is connected across the secondary coil and dissipates 24 W of power. primary coil secondary coil 6000 turns 600 turns output voltage 12 V power 24 W What is the current in the primary coil of the transformer? A 0.050 A B 0.20 A C 5.0 A D 20 A
Mark scheme: B
Q38 · In the diagram, the circle represents an atom (not to scale) with the nucleus at its…
38 In the diagram, the circle represents an atom (not to scale) with the nucleus at its centre. A particle is emitted by a radioactive source and approaches the nucleus of the atom. The curved arrow shows the path of the particle. nucleus path of particle What is the nature and charge of the particle? nature of particle charge of particle A α-particle negative B α-particle positive C β-particle negative D β-particle positive
Mark scheme: B
Q39 · Which row describes the behaviour of γ-rays in an electric field and in a magnetic field?
39 Which row describes the behaviour of γ-rays in an electric field and in a magnetic field? electric field magnetic field A deflected deflected B deflected undeflected C undeflected deflected D undeflected undeflected
Mark scheme: D
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 spectrum3Energy, work and power3Forces3Thermal properties and temperature3Electric circuits2Electromagnetic effects2Kinetic particle model of matter2Light2Mass and weight2Motion2Radioactivity2Simple phenomena of magnetism2Sound2Density1General properties of waves1Momentum1Physical quantities and measurement techniques1Pressure1The nuclear model of the atom1What you needed in this session
Cambridge’s own grade thresholds for 2017 Oct/Nov, Paper 2 · Variant 2. A higher threshold means an easier paper — the bar moves with how the cohort did.