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1

A student is taking some measurements. Which measurement is taken directly using a micrometer screw gauge?

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

4. Electricity and magnetism  →  4.2.2. Electric current

4. Electricity and magnetism  →  4.2.4. Resistance

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2

Which graph represents an object that is moving at constant speed?

1. Motion, forces and energy  →  1.2. Motion

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3

In which situation does object X have a greater mass than object Y?

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

6. Space physics  →  6.1.2. The Solar System

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4

Which substance in the table has the lowest density?

1. Motion, forces and energy  →  1.4. Density

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5

Three simple machines are shown...

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

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6

A spring, which obeys Hooke’s law, has an unstretched length of 10 cm. A load of 20 N is suspended from the spring. The new length of the spring is 36 cm. What is the spring constant k of the spring?

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

1. Motion, forces and energy  →  1.2. Motion

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7

A rocket is launched upwards from the surface of the Moon. Hot gases are ejected downwards over a very short period of time. Which statement is not correct?

1. Motion, forces and energy  →  1.6. Momentum

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8

Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process?

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

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9

A box of mass m slides down a slope of length l against a frictional force F. It descends a vertical height d. d l direction of motion F stop mass m As the box slides down the slope, it loses gravitational potential energy and it does work against the friction. Which row gives the loss in gravitational potential energy and the work done against friction?

1. Motion, forces and energy  →  1.7.2. Work

1. Motion, forces and energy  →  1.7.1. Energy

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10

A rope, connected to a pulley system and motor, is used to lift different objects through different distances. The time taken to lift each object is the same. The diagrams are not to scale. Which motor requires the greatest power?

1. Motion, forces and energy  →  1.7.4. Power

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

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11

Which equation can be used to calculate the pressure at a depth h beneath the surface of a liquid?

1. Motion, forces and energy  →  1.8. Pressure

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12

A liquid is evaporating. The liquid is not boiling. Which statement about the liquid is correct at an instant in time?

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

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13

A gas is contained in a sealed container in a laboratory. The temperature of the gas increases. What happens to the average speed and what happens to the total kinetic energy of the gas molecules?

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

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

1. Motion, forces and energy  →  1.7.1. Energy

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14

An aluminium block has a mass of 200 g. The specific heat capacity of aluminium is 900 J / (kg C). How much energy is needed to increase the temperature of the block from 20 C to 110 C?

2. Thermal physics  →  2.2.2. Specific heat capacity

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15

The diagram shows the apparatus used to measure the specific latent heat of vaporisation of water. 2 kW heater water After the water begins to boil, 110 g of water is converted to steam in 120 s. Using these results, what is the value of the specific latent heat of vaporisation of water?

2. Thermal physics  →  2.2.2. Specific heat capacity

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

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16

The diagram shows a pan used for cooking food. base of pan handle of pan Which row is correct for the materials used to make the base and the handle of the pan?

2. Thermal physics  →  2.3.1. Conduction

2. Thermal physics  →  2.3.3. Radiation

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17

The diagram shows the pattern of water waves as they pass through a narrow gap. narrow gap between two barriers Which row names the process shown...

3. Waves  →  3.1. General properties of waves

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18

Which row is not correct for a wave on the surface of water?

3. Waves  →  3.1. General properties of waves

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19

The diagram shows how a ray of light refracts when going from air to Perspex. x z y air Perspex w The critical angle of Perspex is c. Which expression is correct?

3. Waves  →  3.2.2. Refraction of light

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20

The diagram shows a ray of light in air incident on a glass block. Some of the light is refracted and some of the light is reflected. Two angles, p and q, are marked on the diagram. air glass p q ray of light Which row gives the angle of incidence and states whether total internal reflection occurs?

3. Waves  →  3.2.1. Reflection of light

3. Waves  →  3.2.2. Refraction of light

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21

The letter F is reflected in a mirror. mirror What does the optical image look like?

3. Waves  →  3.2.1. Reflection of light

3. Waves  →  3.4. Sound

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22

The Sun emits infrared radiation and light. Light from the Sun reaches the Earth in 8 minutes. Which row gives correct information about the infrared radiation?

2. Thermal physics  →  2.3.3. Radiation

6. Space physics  →  6.1.2. The Solar System

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23

Which statement about electromagnetic waves is not correct?

3. Waves  →  3.3. Electromagnetic spectrum

3. Waves  →  3.1. General properties of waves

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24

What is ultrasound?

3. Waves  →  3.4. Sound

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25

Which diagram shows the electric field pattern between two oppositely charged parallel metal plates?

4. Electricity and magnetism  →  4.2.1. Electric charge

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

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26

Which circuit symbol represents a component used to measure electric current?

4. Electricity and magnetism  →  4.2.2. Electric current

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

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27

The graph shows the current–voltage characteristic for a conductor. P Q R current voltage Where on the graph can Ohm’s law be applied to the conductor?

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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28

The diagram shows a circuit containing two resistors of resistance 1.0  and 2.0 . A voltmeter is connected across the 1.0  resistor by connecting P to X. The reading on the voltmeter is 6.0 V. V 1.0 Ω 2.0 Ω X Y P P is moved to point Y in the circuit. What is the new reading on the voltmeter?

4. Electricity and magnetism  →  4.2.4. Resistance

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

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

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29

There is a current I in a resistor. The potential difference (p.d.) across the resistor is V. Which other physical quantity is needed to be able to determine the energy transferred W by the resistor?

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

1. Motion, forces and energy  →  1.7.4. Power

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30

The diagrams show pairs of circuits containing logic gates. In which diagram does the lower circuit of the pair behave differently from the upper circuit?

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

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

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31

Several cells are connected in series, as shown...

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

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

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32

Two resistors, with resistances R1 and R2, are connected in parallel. The resistance R1 is greater than the resistance R2. R1 R2 What is the resistance of the parallel combination?

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

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33

The diagram shows a motor connected to an a.c. supply. The circuit is incomplete. M X Y Which device needs to be connected between point X and point Y to prevent the wires from overheating if a fault in the motor causes the current to get too high?

4. Electricity and magnetism  →  4.4. Electrical safety

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34

The diagram shows a wire between two magnets. An electromotive force (e.m.f.) is induced in the wire when it is moved up between the two magnets. N S Four tests are done. The direction of movement of the wire is reversed. The direction of the magnetic field is reversed. The wire is moved more quickly. The magnetic field strength is decreased. Which tests will induce a smaller e.m.f. in the wire?

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

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

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35

Four positions of a current-carrying coil in a magnetic field, as in a d.c. motor, are shown...

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

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

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36

The diagram shows the magnetic field due to a current in a solenoid. direction of current The direction of the current is reversed. Which row describes the effect that this has on the magnitude and on the direction of the magnetic field?

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

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37

The nucleus of an americium atom contains 146 neutrons and 95 protons. It decays by emitting an -particle. How many neutrons and how many protons remain in the nucleus when this form of americium decays?

5. Nuclear physics  →  5.1.2. The nucleus

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38

A sample of americium decays and changes into neptunium. The half-life of americium is 432 years. Which fraction of the americium will remain after 1728 years?

5. Nuclear physics  →  5.2.4. Half-life

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39

The graph shows the decay curves of four different radioactive isotopes. Which isotope has the largest half-life?

5. Nuclear physics  →  5.2.4. Half-life

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40

The diagrams show -particles and -particles passing through an electric field. Which diagram shows the correct paths of the -particles and -particles?

4. Electricity and magnetism  →  4.2.1. Electric charge

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

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