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1

Five athletes P, Q, R, S and T compete in a race. The table shows the finishing times for the athletes. athlete P Q R S T finishing time / s 22.50 24.40 25.20 26.50 23.20 Which statement is correct?

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2

The graph shows how the speed of an object varies with time. At which labelled time is the acceleration greatest?

1. Motion, forces and energy  →  1.2. Motion

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3

Which statement about acceleration is correct?

1. Motion, forces and energy  →  1.2. Motion

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4

Two metal blocks P and Q have identical dimensions. They hang on identical spring balances. N N Q P Which statement about P and Q is correct?

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

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5

A space probe is taken from the Earth to Mars. The force of gravity on the surface of Mars is less than the force of gravity on the surface of the Earth. How do the weight and the mass of a space probe on the surface of Mars compare to their values when the probe is on the surface of the Earth?

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

6. Space physics  →  6.1.2. The Solar System

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6

Water has a density of 1000 kg / m3. A rectangular swimming pool has an average depth of 1.6 m. The length of the pool is 25 m. The width of the pool is 10 m. What is the mass of the water in the swimming pool?

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

1. Motion, forces and energy  →  1.4. Density

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7

The diagram shows an extension–load graph for a spring. 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 16.0 18.0 20.0 extension / cm load / N An empty can of weight 3.0 N is suspended from the spring. Liquid is poured into the can until the extension is 8.0 cm. What is the weight of the liquid?

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

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8

What is meant by the moment of a force on an object?

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

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9

Which energy resource is not renewable?

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

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10

Two motors X and Y lift loads of the same weight through the same vertical distance. Motor X is more efficient than motor Y. Which statement about the motors is correct?

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

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

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11

A man can either take an escalator or a lift to travel up between two floors in a hotel. escalator lift The escalator takes 20 seconds to carry the man between the two floors. The useful work done against gravity is W. The useful power developed is P. The lift takes 30 seconds to carry the same man between the same two floors. How much useful work against gravity is done by the lift, and how much useful power is developed by the lift?

1. Motion, forces and energy  →  1.7.2. Work

1. Motion, forces and energy  →  1.7.4. Power

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12

The diagram shows a solid block resting on a bench. The dimensions of the block are shown...

1. Motion, forces and energy  →  1.8. Pressure

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13

A beaker contains a liquid. X liquid On what does the liquid pressure at position X depend?

1. Motion, forces and energy  →  1.8. Pressure

1. Motion, forces and energy  →  1.4. Density

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14

Evaporation occurs from the surface of a pool of water. Which statement describes this change of state?

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

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15

A gas, in a sealed container, is compressed slowly so that its temperature does not change. What happens to the molecules of the gas as a result of this compression?

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

2. Thermal physics  →  2.2.1. Thermal expansion of solids, liquids and gases

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16

The diagram shows a liquid-in-glass thermometer. –10 90 100 110 °C What is the temperature difference between the two fixed points on the Celsius scale?

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

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

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17

A metal block is left overnight in a cool, shady room. In the morning, the metal block is moved into warm surroundings. Which statement about the metal block is correct in the morning?

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

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

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18

The diagrams show four blocks of steel. The blocks are all drawn to the same scale. The same quantity of thermal energy is given to each block. Which block shows the greatest rise in temperature?

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

2. Thermal physics  →  2.2.1. Thermal expansion of solids, liquids and gases

2. Thermal physics  →  2.2.2. Specific heat capacity

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19

A room is heated by a radiator. The diagrams X and Y show two possible circulations of hot air, which heat the room. diagram X radiator diagram Y radiator ceiling floor ceiling floor Which diagram and reason explain the heating of the room by convection?

2. Thermal physics  →  2.3.2. Convection

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

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20

Two similar liquid-in-glass thermometers P and Q are placed in direct sunlight. The bulb of thermometer P is painted white. The bulb of thermometer Q is painted black. How and why would the thermometer readings differ?

2. Thermal physics  →  2.3.3. Radiation

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21

The diagram shows a wave. 8 cm 4 cm 3 cm 6 cm What are the amplitude and the wavelength of this wave?

3. Waves  →  3.1. General properties of waves

3. Waves  →  3.4. Sound

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22

Waves travel more quickly on the surface of water when the water is deep. A stone is dropped at point X into a pool of varying depth. The diagram shows the first three wavefronts on the surface of the pool. The region between X and which labelled point is likely to be the deepest?

3. Waves  →  3.1. General properties of waves

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23

The diagram shows a ray of light incident on the surface of a glass block. glass block The ray of light is partially reflected back into the air and partially refracted into the glass block. Which row correctly identifies the angle of reflection and the angle of refraction?

3. Waves  →  3.2.1. Reflection of light

3. Waves  →  3.2.2. Refraction of light

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24

A beam of light consists of yellow and blue light. The beam of light is incident on a glass prism. Which diagram is correct?

3. Waves  →  3.2.4. Dispersion of light

3. Waves  →  3.2.1. Reflection of light

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25

An intruder alarm sensor detects that a person is warmer than his surroundings. Which type of electromagnetic wave does the sensor detect?

3. Waves  →  3.3. Electromagnetic spectrum

2. Thermal physics  →  2.3.3. Radiation

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26

A dolphin sends out a sound wave. An echo returns 0.010 s later from a fish which is 7.5 m from the dolphin. What is the speed of the sound wave in water?

3. Waves  →  3.1. General properties of waves

3. Waves  →  3.4. Sound

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27

The diagrams show two bar magnets which are attracting each other. Which diagram shows the magnetic field pattern between the poles?

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

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28

Four nails A, B, C and D are tested to find which makes the strongest permanent magnet. One of the nails is placed against a bar magnet and the number of paper clips which the nail can support is recorded. N S nail bar magnet paper clips The bar magnet is then removed and the number of paper clips remaining attached to the nail is recorded. Each nail is tested individually. Which nail becomes the strongest permanent magnet?

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

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29

A cloth is used to rub an uncharged plastic rod. Both the rod and the cloth become charged. Why does the plastic rod become negatively charged and the cloth become positively charged?

4. Electricity and magnetism  →  4.2.1. Electric charge

5. Nuclear physics  →  5.1.1. The atom

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30

The diagram shows a circuit. The wire between P and Q can be removed and replaced by a circuit component. P R S T Q Where should a voltmeter be connected to measure the potential difference (p.d.) across the lamp?

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

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

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

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31

A student uses the circuit shown...

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

4. Electricity and magnetism  →  4.2.4. Resistance

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32

The circuit shown...

4. Electricity and magnetism  →  4.2.4. Resistance

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

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

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33

The diagram shows a control circuit. The lamp is lit. The temperature of the surroundings increases. What will happen to the brightness of the lamp?

2. Thermal physics  →  2.3.3. Radiation

4. Electricity and magnetism  →  4.2.4. Resistance

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34

A student constructs four circuits, each containing a fuse. The fuse blows in one circuit and both lamps in the circuit go out. In which circuit does the fuse blow and both lamps go out?

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

4. Electricity and magnetism  →  4.4. Electrical safety

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35

The diagrams P, Q and R show three voltage–time graphs. voltage time diagram P voltage time diagram Q voltage + + + – – – time diagram R Which graphs show an alternating voltage?

4. Electricity and magnetism  →  4.2.4. Resistance

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

1. Motion, forces and energy  →  1.2. Motion

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36

The diagram shows a transformer. primary coil 40 turns secondary coil 40 000 turns core Which statement about this transformer is correct?

4. Electricity and magnetism  →  4.5.6. The transformer

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37

A nuclide of the element iron has the symbol shown...

5. Nuclear physics  →  5.1.2. The nucleus

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38

Which statement about the nuclei of all atoms is correct?

5. Nuclear physics  →  5.1.1. The atom

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39

A thin sheet of paper is placed between a radioactive source and a radiation detector. The count rate falls to a very low reading. source paper detector counter From this result, which type of radiation is the source emitting?

5. Nuclear physics  →  5.2.1. Detection of radioactivity

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40

A radioactive isotope has a half-life of 120 minutes. It emits radiation at a rate of 100 particles per second. How long does it take for the rate of emission to fall to 25 particles per second?

2. Thermal physics  →  2.3.3. Radiation

5. Nuclear physics  →  5.2.4. Half-life

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