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1

The diagram shows an enlarged drawing of the end of a metre rule. It is being used to measure the length of a small feather. mm cm 1 0 2 0 3 0 What is the length of the feather?

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

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2

An object moves at a constant speed for some time, then begins to accelerate. Which distance-time graph shows this motion?

1. Motion, forces and energy  →  1.2. Motion

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3

A heavy object is released near the surface of the Earth and falls freely. Air resistance can be ignored. Which statement about the acceleration of the object due to gravity is correct?

1. Motion, forces and energy  →  1.2. Motion

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

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4

A cup contains hot liquid. Some of the liquid evaporates. What happens to the mass and what happens to the weight of the liquid in the cup?

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

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

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5

An object moves in a circle at constant speed. Which statement about the force needed on the object is correct?

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

6. Space physics  →  6.1.2. The Solar System

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6

A long plank XY lies on the ground. A load of 120 N is placed on it, at a distance of 0.50 m from end X, as shown...

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

1. Motion, forces and energy  →  1.7.2. Work

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7

Which list contains only vector quantities?

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

1. Motion, forces and energy  →  1.2. Motion

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8

A gas molecule strikes the wall of a container. The molecule rebounds with the same speed. before hitting the wall after hitting the wall wall gas molecule wall gas molecule What happens to the kinetic energy and what happens to the momentum of the molecule?

1. Motion, forces and energy  →  1.7.1. Energy

1. Motion, forces and energy  →  1.6. Momentum

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9

Which energy resource does not derive its energy from the Sun?

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

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10

The diagram shows the energy used by a modern lamp. 60 W input of electrical power 48 W of power wasted in heating surroundings 12 W of useful power output as light Which expression gives the efficiency of the lamp?

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

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

4. Electricity and magnetism  →  4.5.6. The transformer

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11

Three boxes each weigh 100 N. A man lifts all the boxes together from the ground on to a shelf that is 1.5 m above the ground. The man takes 2.0 s to do this. boxes shelf 1.5 m How much useful power does the man produce to lift the boxes?

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

1. Motion, forces and energy  →  1.7.4. Power

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

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12

A diver under water uses breathing apparatus at a depth where the pressure is 1.25 × 105 Pa. A bubble of gas breathed out by the diver has a volume of 20 cm3 when it is released. The bubble moves upwards to the surface of the water. At the surface of the water, the atmospheric pressure is 1.00 × 105 Pa. The temperature of the water is the same at all depths. What is the volume of this bubble when it reaches the surface?

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

1. Motion, forces and energy  →  1.8. Pressure

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13

The diagram shows a simple mercury barometer. V W X Y Z mercury The atmospheric pressure increases. Which distance increases?

1. Motion, forces and energy  →  1.8. Pressure

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

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14

What causes the random, zig-zag movement (Brownian motion) of smoke particles suspended in air?

2. Thermal physics  →  2.1.2. Particle model

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15

A sealed bottle of constant volume contains air. The air in the bottle is heated by the Sun. What is the effect on the average speed of the air molecules in the bottle, and the average distance between them?

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

3. Waves  →  3.4. Sound

1. Motion, forces and energy  →  1.2. Motion

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16

The diagram shows a liquid-in-glass thermometer. –10 100 110 °C liquid thread stem glass bulb liquid tube How can the thermometer be made more sensitive?

2. Thermal physics  →  2.2.2. Specific heat capacity

1. Motion, forces and energy  →  1.8. Pressure

1. Motion, forces and energy  →  1.4. Density

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17

In an experiment to measure specific heat capacity, a block of aluminium is heated and its rise in temperature is measured. The amount of energy gained by the block is E. The mass of the block is m. The rise in temperature of the block is ∆T. Which expression gives the specific heat capacity of aluminium?

2. Thermal physics  →  2.2.2. Specific heat capacity

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18

Which row shows the surface that is the better absorber and the surface that is the better emitter of infra-red radiation?

2. Thermal physics  →  2.3.3. Radiation

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19

A student suggests some uses for containers made from good thermal conductors and for containers made from poor thermal conductors. In which row are both suggested uses correct?

2. Thermal physics  →  2.3.1. Conduction

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20

A water wave passes into a region where the wave travels more slowly. As it passes into the slow region, what happens to the frequency and what happens to the wavelength of the wave?

3. Waves  →  3.1. General properties of waves

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21

Which row shows the natures of light waves, sound waves and X-rays?

3. Waves  →  3.4. Sound

3. Waves  →  3.1. General properties of waves

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22

The diagram shows an object in front of a plane mirror. The mirror forms an image of the object. N M object At which labelled point is the image formed, and which type of image is formed?

3. Waves  →  3.2.1. Reflection of light

3. Waves  →  3.2.3. Thin lenses

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23

Light enters a glass block at an angle of incidence of 46°. The light refracts at an angle of refraction of 26°. What is the refractive index of the glass?

3. Waves  →  3.2.1. Reflection of light

3. Waves  →  3.2.2. Refraction of light

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24

The diagram shows a converging lens forming an image of an object. image object X Y Which statement about the image is correct?

3. Waves  →  3.2.3. Thin lenses

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25

The sound from a loudspeaker must pass through two materials to reach a microphone. material 1 material 2 loudspeaker microphone Which combination of materials gives the shortest time for the sound to reach the microphone?

3. Waves  →  3.4. Sound

3. Waves  →  3.2.2. Refraction of light

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26

Which range of wave frequencies includes only sounds that can be heard by a human with normal hearing?

3. Waves  →  3.4. Sound

3. Waves  →  3.3. Electromagnetic spectrum

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27

Each diagram shows two charged metal plates. Which diagram shows the pattern and the direction of the electric field between the plates?

4. Electricity and magnetism  →  4.2.1. Electric charge

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

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28

The four circuits shown...

4. Electricity and magnetism  →  4.2.4. Resistance

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

4. Electricity and magnetism  →  4.2.2. Electric current

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29

The diagram shows a battery connected to two resistors. R Four students separately measure the electromotive force (e.m.f.) of the battery, the current in the resistors, and the potential difference (p.d.) across resistor R. Their results are shown...

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

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30

A 3.0 Ω resistor and a 6.0 Ω resistor are connected in parallel. 6.0 Ω 3.0 Ω What is their combined resistance?

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

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31

The diagram shows a combination of logic gates. input P (= 0) output X output Y input Q (= 1) Input P is at a logic state 0 and input Q is at a logic state 1 . What are the logic states at output X and at output Y?

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32

The diagram shows part of a circuit used to switch street lamps on and off automatically. + – LDR In the evening it gets dark. Which row shows the effect on the resistance of the light-dependent resistor (LDR) and on the potential difference (p.d.) across it?

4. Electricity and magnetism  →  4.2.4. Resistance

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

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33

A domestic circuit includes a 30 A fuse. This protects the wiring if there is too much current in the circuit. In which wire is the 30 A fuse positioned, and what does it do when it operates?

4. Electricity and magnetism  →  4.4. Electrical safety

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34

A strong electromagnet is used to attract pins. core pins coil current What happens when the current in the coil is halved?

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

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

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35

The diagram shows a transformer. primary coil 800 turns secondary coil 40 turns input voltage output voltage The input voltage is 240 V. What is the output voltage?

4. Electricity and magnetism  →  4.5.6. The transformer

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36

The diagram shows a shaded area where the direction of a magnetic field is into the page. A beam of β-particles enters the field as shown...

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

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

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37

Below are four statements about isotopes of a certain element. Which statement about the isotopes must be correct?

5. Nuclear physics  →  5.2.3. Radioactive decay

5. Nuclear physics  →  5.1.2. The nucleus

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38

Which diagram represents an experiment that provided evidence for the nuclear atom?

5. Nuclear physics  →  5.1.1. The atom

5. Nuclear physics  →  5.1.2. The nucleus

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39

Sodium-24 decays to magnesium-24 according to the following equation. 11Na → 24 12Mg + emitted particle What is the emitted particle?

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

5. Nuclear physics  →  5.2.3. Radioactive decay

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40

The reading on a detector placed near a radioactive material is 536 counts per second. The background count rate is 44 counts per second. The half-life of the radioactive material is 34 hours. What is the reading on the detector after 68 hours?

5. Nuclear physics  →  5.2.1. Detection of radioactivity

5. Nuclear physics  →  5.2.4. Half-life

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