---

---

1

Which quantity can be measured directly using a micrometer screw gauge?

1. Motion, forces and energy  →  1.1. Physical quantities and measurement techniques

Open

2

Four objects are moving along a straight line. The distance of an object from a fixed point on the line is plotted against time for each object. Which object is decelerating?

1. Motion, forces and energy  →  1.2. Motion

Open

3

A heavy metal ball falls vertically downwards through air past four equally spaced levels J, K, L and M. level J level K level L level M metal ball The times taken to fall from one level to the next are measured. Where is the speed of the ball greatest and which time is shortest?

1. Motion, forces and energy  →  1.2. Motion

Open

4

Four students make statements about the mass of an object. Which statement is correct?

1. Motion, forces and energy  →  1.3. Mass and weight

Open

5

A metal has a density of 8.0 g / cm3. A solid cube of mass 1.0 kg is made from this metal. How long is each side of the cube?

1. Motion, forces and energy  →  1.4. Density

Open

6

An experiment is done to determine the spring constant for a spring. Different loads are hung from the spring and its length is measured for each different load. The graph shows how its length varies with load. 4.0 3.0 2.0 1.0 length of spring / cm weight of load / N What is the value of the spring constant?

1. Motion, forces and energy  →  1.5.1. Effects of forces

1. Motion, forces and energy  →  1.2. Motion

Open

7

A beam is pivoted at its centre of mass. It is acted upon by two forces, 10 N and 5.0 N, as shown...

1. Motion, forces and energy  →  1.5.2. Turning effect of forces

Open

8

Which object is in equilibrium?

1. Motion, forces and energy  →  1.5.2. Turning effect of forces

1. Motion, forces and energy  →  1.3. Mass and weight

Open

9

An object of mass 4.0 kg is moving with a velocity of 3.0 m / s in a straight line. What is the momentum of the object?

1. Motion, forces and energy  →  1.6. Momentum

Open

10

A machine is very efficient. What does this mean?

1. Motion, forces and energy  →  1.7.3. Energy resources

1. Motion, forces and energy  →  1.7.2. Work

Open

11

A force F acts on a body and the body moves a distance d in the direction of the force. Which expression for the work done W is correct?

1. Motion, forces and energy  →  1.7.2. Work

1. Motion, forces and energy  →  1.7.4. Power

Open

12

A boy produces an average power output of 60 W as he rides his bicycle for 2.0 minutes. How much useful energy does he expend?

1. Motion, forces and energy  →  1.7.3. Energy resources

4. Electricity and magnetism  →  4.2.5. Electrical energy and electrical power

1. Motion, forces and energy  →  1.7.4. Power

Open

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. liquid string stone What would increase the pressure on the stone?

1. Motion, forces and energy  →  1.8. Pressure

1. Motion, forces and energy  →  1.4. Density

Open

14

At room temperature, iron is difficult to compress. At the same temperature, oxygen is much easier to compress. Which comparison of the structures of iron and oxygen explains this?

4. Electricity and magnetism  →  4.1. Simple phenomena of magnetism

2. Thermal physics  →  2.1.3. Gases and the absolute scale of temperature

4. Electricity and magnetism  →  4.5.6. The transformer

Open

15

A night storage heater contains a large block of material that is heated electrically during the night. During the day the block cools down, releasing thermal energy into the room. Which thermal capacity and which night-time temperature increase will cause the most energy to be stored by the block?

2. Thermal physics  →  2.2.2. Specific heat capacity

2. Thermal physics  →  2.3.4. Consequences of thermal energy transfer

Open

16

100 g of water at 25 °C is poured into an insulated cup. 50 g of ice at 0 °C is added to the water. The water is stirred until the temperature of the water has fallen to 0 °C. 18 g of ice remains unmelted. The specific heat capacity of water is 4.2 J / g °C. Which value does this experiment give for the specific latent heat of fusion of ice?

2. Thermal physics  →  2.2.2. Specific heat capacity

Open

17

The handle of a metal saucepan is made of plastic. As the saucepan heats up, the handle gets warmer. Which statement explains this?

2. Thermal physics  →  2.3.3. Radiation

2. Thermal physics  →  2.3.4. Consequences of thermal energy transfer

Open

18

The metal surface of a kettle is hot. What happens to the cool air outside the kettle when it comes into contact with the hot kettle?

2. Thermal physics  →  2.2.3. Melting, boiling and evaporation

Open

19

Vacuum flasks usually have silvered walls that help to keep the contents of the flask hot. Why are the walls silvered?

2. Thermal physics  →  2.3.4. Consequences of thermal energy transfer

2. Thermal physics  →  2.3.1. Conduction

Open

20

When water waves pass through a gap they diffract. The diagrams show wavefronts approaching a narrow gap. In which diagram will the diffraction be least?

3. Waves  →  3.1. General properties of waves

Open

21

Which conditions are necessary for light to be totally internally reflected?

3. Waves  →  3.2.1. Reflection of light

3. Waves  →  3.2.2. Refraction of light

Open

22

Light is travelling through air. The light strikes a glass block at an angle of incidence of 45°. The glass has a refractive index of 1.4. What is the angle of refraction of the light as it enters the glass?

3. Waves  →  3.2.1. Reflection of light

3. Waves  →  3.2.2. Refraction of light

Open

23

An eclipse of the Sun happens when the Moon comes between the Earth and the Sun. Which statement is correct?

2. Thermal physics  →  2.3.3. Radiation

6. Space physics  →  6.2.3. The Universe

Open

24

A pulse of sound is produced at the bottom of a boat. The sound travels through the water and is reflected from a shoal of fish. The sound reaches the boat again after 1.2 s. The speed of sound in the water is 1500 m / s. shoal of fish boat How far below the bottom of the boat is the shoal of fish?

3. Waves  →  3.4. Sound

Open

25

An observer stands at the finish line of a 100 m race. He wants to time the winner’s run. He starts his stop-watch as soon as he sees the smoke from the starting gun instead of when he hears the bang. What is the reason for doing this?

3. Waves  →  3.4. Sound

Open

26

A soft iron bar is a long way from any magnetic field. How can the material of the bar be described?

4. Electricity and magnetism  →  4.1. Simple phenomena of magnetism

Open

27

Diagram 1 shows two thin, uncharged strips of plastic. Diagram 2 shows the same strips after they have been rubbed with a dry cloth. diagram 1 diagram 2 strips of plastic strips of plastic Which row describes the charge on the strips after rubbing, and the force between the strips after rubbing?

4. Electricity and magnetism  →  4.2.1. Electric charge

Open

28

A cell has an electromotive force (e.m.f.) of 1.5 V. What does this statement mean?

4. Electricity and magnetism  →  4.2.3. Electromotive force and potential difference

Open

29

A metal wire of length 100 cm and cross-sectional area 0.20 mm2 has a resistance of 8.0 Ω. What is the resistance of a wire of the same metal of length 50 cm and cross-sectional area of 0.40 mm2?

4. Electricity and magnetism  →  4.2.4. Resistance

Open

30

The diagram shows a circuit. What is connected in parallel with the thermistor?

4. Electricity and magnetism  →  4.3.2. Series and parallel circuits

4. Electricity and magnetism  →  4.2.4. Resistance

4. Electricity and magnetism  →  4.3.1. Circuit diagrams and circuit components

Open

31

A lamp is to be connected in a circuit so that the potential difference (p.d.) across it can be varied from 0 to 6 V. Which circuit would be most suitable?

4. Electricity and magnetism  →  4.3.3. Action and use of circuit components

4. Electricity and magnetism  →  4.2.4. Resistance

4. Electricity and magnetism  →  4.3.2. Series and parallel circuits

Open

32

Components X and Y can be inserted to complete the circuit below. The completed circuit is a potential divider in which the potential difference across component Y increases when the temperature increases. V X Y Which row shows the components X and Y?

4. Electricity and magnetism  →  4.3.3. Action and use of circuit components

4. Electricity and magnetism  →  4.3.1. Circuit diagrams and circuit components

Open

33

Which two logic gates each have a high output (1) when both of their inputs are low (0)?

Open

34

Two NAND gates are joined together as shown...

Open

35

Which components are designed to improve the safe working of a mains electrical supply?

4. Electricity and magnetism  →  4.4. Electrical safety

Open

36

The diagram shows a current-carrying wire placed between two magnetic poles. The current is in the direction shown...

4. Electricity and magnetism  →  4.5.4. Force on a current-carrying conductor

4. Electricity and magnetism  →  4.5.3. Magnetic effect of a current

Open

37

Diagram 1 shows an a.c. generator. The coil is turning as shown...

4. Electricity and magnetism  →  4.5.2. The a.c. generator

4. Electricity and magnetism  →  4.5.5. The d.c. motor

Open

38

Which observation provides evidence for the nuclear atom?

5. Nuclear physics  →  5.1.1. The atom

5. Nuclear physics  →  5.2.2. The three types of nuclear emission

Open

39

The chemical symbol for uranium is U. The equation represents the radioactive decay of uranium-235. → + 4He 235U xTh y What are the numbers x and y?

5. Nuclear physics  →  5.2.3. Radioactive decay

Open

40

An experiment is done to measure the radiation from a radioactive source that has a half-life of 10 minutes. The source is placed close to a detector that is connected to a counter, as shown...

5. Nuclear physics  →  5.2.1. Detection of radioactivity

Open