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1

When a heavy coin falls a short distance towards the ground it does not reach terminal velocity. Why is this?

1. Motion, forces and energy  →  1.5.2. Friction

1. Motion, forces and energy  →  1.2. Motion

3. Waves  →  3.4. Sound

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2

A car travels along a road at 50 km / h. The driver applies the same braking force at the same place on a day when the surface is dry and then on a day when the road is wet. On the wet surface, how many of these distances are greater than on the dry surface?

1. Motion, forces and energy  →  1.5.2. Friction

1. Motion, forces and energy  →  1.7.2. Work

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3

In a model of an atom, electrons move in circular orbits around a nucleus. Which statement about the electrons is correct?

5. Nuclear physics  →  5.1.1. The atom

5. Nuclear physics  →  5.1.2. The nucleus

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4

A boy stands on some bathroom scales. The reading on the scales is 50 kg. What is the mass and what is the weight of the boy?

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

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5

Two identical beakers contain the same mass of liquid. There is a different liquid in each beaker. h 3h liquid P liquid Q Liquid Q has a density ρ. What is the density of liquid P?

1. Motion, forces and energy  →  1.4. Density

1. Motion, forces and energy  →  1.8. Pressure

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6

What affects the stability of an object?

1. Motion, forces and energy  →  1.5.6. Centre of gravity

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

1. Motion, forces and energy  →  1.5.1. Balanced and unbalanced forces

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7

Objects of different weights are placed on a rigid, horizontal surface. Which row shows the correct pressure acting on the surface?

1. Motion, forces and energy  →  1.8. Pressure

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8

The diagram shows a simple manometer that contains a liquid. R S X Y h Side X is connected to a gas supply of pressure R. Side Y is open to the atmosphere at pressure S. Which pressure is the length h used to measure?

1. Motion, forces and energy  →  1.8. Pressure

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9

A child of mass 30 kg is moving at a speed of 4.0 m / s when she reaches the bottom of a slide. 4.0 m / s What is her kinetic energy?

1. Motion, forces and energy  →  1.7.1. Energy

1. Motion, forces and energy  →  1.2. Motion

1. Motion, forces and energy  →  1.6. Momentum

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10

A constant force F pulls a block of weight W up the slope shown...

1. Motion, forces and energy  →  1.7.2. Work

1. Motion, forces and energy  →  1.7.5. Power

1. Motion, forces and energy  →  1.2. Motion

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11

Which statement about copper explains why it is a better conductor of heat than glass?

2. Thermal physics  →  2.3.1. Conduction

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

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12

The diagram shows a frozen pond with the surface of the ice slowly melting as heat is transferred from the warmer air above it. air at 5 °C water ice By which processes is heat transferred from the air to the ice?

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

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13

The diagram shows a clinical thermometer. mercury constriction bore glass tube Which factor affects the sensitivity of the thermometer?

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

4. Electricity and magnetism  →  4.2.4. Resistance

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14

A centimetre scale is fixed next to an unmarked mercury-in-glass thermometer. The ice point and the steam point are marked. 6.6 thermometer centimetre scale steam point ice point What is the temperature shown...

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

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

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15

At a constant temperature, a solid has a fixed shape and a fixed volume. Which row describes the shape and the volume of a liquid at constant temperature?

1. Motion, forces and energy  →  1.2. Motion

2. Thermal physics  →  2.1.2. Particle model

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16

A plastic tube is immersed in a liquid of refractive index 1.4. Light travelling in the plastic tube strikes the inside surface at an angle of incidence of 70°. The light undergoes total internal reflection. light reflected ray 70° plastic tube liquid of refractive index 1.4 What describes the values of the critical angle in the plastic and the refractive index of the plastic?

3. Waves  →  3.2.2. Refraction of light

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17

Which application uses microwaves?

3. Waves  →  3.3. Electromagnetic spectrum

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

2. Thermal physics  →  2.3.3. Radiation

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18

A student stands at a distance d from the base of a tall cliff. He claps together two pieces of wood and measures the time that elapses before he hears the echo. He conducts the experiment five times and obtains these results. 0.72 s 0.80 s 0.71 s 0.81 s 0.71 s The speed of sound is 320 m / s. What is the distance d?

3. Waves  →  3.4. Sound

1. Motion, forces and energy  →  1.2. Motion

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19

Ultrasound has many uses. For what are ultrasound waves used?

3. Waves  →  3.4. Sound

3. Waves  →  3.1. General properties of waves

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20

A metal bar PQ hangs from a thin thread and always comes to rest with end P pointing north. Another bar XY of the same metal settles in no definite direction. What happens if the two bars are brought near one another?

1. Motion, forces and energy  →  1.5.1. Balanced and unbalanced forces

4. Electricity and magnetism  →  4.1. Simple magnetism and magnetic fields

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21

The diagram shows a 12 V d.c. power supply connected across a coil with a metal core. 12 V d.c. power supply metal core coil of wire The core becomes a magnet when the current is switched on. It remains a magnet after the current is switched off. From which metal is the core made?

4. Electricity and magnetism  →  4.5.6. The transformer

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

4. Electricity and magnetism  →  4.1. Simple magnetism and magnetic fields

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22

A positively charged rod is held close to an earthed metal sphere. ++++++ rod sphere earth What describes the charge on the metal sphere?

4. Electricity and magnetism  →  4.2.1. Electrical charge

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23

Two charged metal spheres are suspended close to each other. Which diagram shows the charge distribution on the spheres and the directions of the forces on the spheres?

4. Electricity and magnetism  →  4.2.1. Electrical charge

1. Motion, forces and energy  →  1.5.1. Balanced and unbalanced forces

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

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24

Which list contains only electrical insulators?

4. Electricity and magnetism  →  4.4.2. Electrical safety

4. Electricity and magnetism  →  4.2.1. Electrical charge

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25

The currents in different parts of the circuit are I1, I2, I3 and I4. 5 Ω 10 Ω I2 I1 I4 I3 Which statement is correct?

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

4. Electricity and magnetism  →  4.2.2. Electrical current

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26

The diagram shows a circuit that has two resistors in series with a 12 V supply. 2.0 Ω 3.0 Ω 12 V What is the current in the circuit?

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

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27

An ammeter is connected to three resistors and a power supply. Which arrangement of resistors gives the greatest ammeter reading?

4. Electricity and magnetism  →  4.2.4. Resistance

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

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28

There is a current of 0.25 A in a lamp connected to a 240 V supply. What is the input power to the lamp?

4. Electricity and magnetism  →  4.2.4. Resistance

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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29

Which unit measures the energy input to an electrical appliance?

4. Electricity and magnetism  →  4.4.1. Uses of electricity

1. Motion, forces and energy  →  1.7.5. Power

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30

An electric lamp is marked 0.5 A. It is connected to a socket marked ‘30 A maximum’. Which fuse is best to use in the lamp?

4. Electricity and magnetism  →  4.2.4. Resistance

4. Electricity and magnetism  →  4.4.2. Electrical safety

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31

Two long, parallel conductors carrying current lie in a horizontal plane. The two conductors attract one another. The two currents must A be in the same direction. B be in opposite directions. C be parallel to the Earth’s magnetic field. D be at 90° to the Earth’s magnetic field.

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

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

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32

The diagram shows a d.c. motor with its coil horizontal. N S axle d.c. supply Why is a split-ring commutator used?

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

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

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33

A student moves a magnet into a coil of wire as shown...

4. Electricity and magnetism  →  4.5.1. Electromagnetic induction

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

4. Electricity and magnetism  →  4.2.4. Resistance

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34

The coil of an a.c. generator is rotated and the output is displayed on the screen of a cathode-ray oscilloscope (c.r.o.). The diagram shows the trace on the screen. Which trace appears on the screen when the speed of rotation of the coil is doubled but the settings on the c.r.o. are unaltered?

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

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

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35

In the circuit shown...

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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36

In the circuit shown...

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

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

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37

Why is a reed relay used in a switching circuit?

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

4. Electricity and magnetism  →  4.4.2. Electrical safety

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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38

People working with radioactive materials use a photographic film badge covered in paper. The badge is used to monitor the level of their exposure to radiation. Which radiation is detected?

5. Nuclear physics  →  5.2.1. Detection of radioactivity

5. Nuclear physics  →  5.2.5. Half-life

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39

When a radioactive atom decays by alpha-particle emission, its nucleus loses A 1 proton only. B 1 proton and 1 electron. C 2 protons and 2 electrons. D 2 protons and 2 neutrons.

5. Nuclear physics  →  5.2.3. Radioactive decay

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

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40

A neutral atom of chlorine-37 is compared with a neutral atom of argon-37. How do the number of electrons and the number of neutrons in each of the atoms compare?

5. Nuclear physics  →  5.1.2. The nucleus

5. Nuclear physics  →  5.1.1. The atom

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