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1

The diagram shows part of a micrometer screw gauge. mm 1 2 What is the smallest reading that can be achieved using this micrometer screw gauge?

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2

The speed-time graph shows the motion of a car. At which time is its acceleration greatest?

1. Motion, forces and energy  →  1.2. Motion

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3

An athlete runs at a speed of 8 m / s for 10 s, and then at a speed of 6 m / s for 12 s. Which calculation gives the average speed of the athlete in m / s?

1. Motion, forces and energy  →  1.2. Motion

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4

A helium balloon is tied to a top-pan balance. A metal block of mass 100 g is placed on the balance. The reading on the balance is 91 g. 91 g metal block helium balloon Which statement can be deduced from this experiment?

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

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

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5

The diagram shows four blocks of different metals. Each block has a mass of 12 g. Which metal has the largest density?

1. Motion, forces and energy  →  1.4. Density

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6

The graph shows how the length of a spring changes when the stretching force is increased. length of spring / cm force / N In the Hooke’s law region, what is the spring constant for this spring?

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

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

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7

Point X is the centre of mass of a lamina in the shape of a triangle with sides of equal length. The top of the triangle is cut off along the dotted line shown...

1. Motion, forces and energy  →  1.5.3. Centre of gravity

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8

An object of mass 3.0 kg, travelling at a speed of 6.0 m / s, collides with an object of mass 2.0 kg, travelling in the opposite direction at a speed of 2.0 m / s. 3.0 kg 6.0 m / s 2.0 kg 2.0 m / s The objects stick together during the collision. What is the speed and direction of the combined mass after the collision?

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

1. Motion, forces and energy  →  1.6. Momentum

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9

Which device is designed to convert chemical energy into kinetic energy?

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

1. Motion, forces and energy  →  1.7.1. Energy

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10

The diagram shows a pendulum. P R Q 10 cm The pendulum swings from P to Q to R and back to P. P is 10 cm higher than Q. At which speed does the pendulum bob pass through Q?

1. Motion, forces and energy  →  1.2. Motion

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11

A crane on a building site lifts bricks of total mass 200 kg, initially at rest on the ground, with uniform acceleration. When the bricks are 5.0 m from the ground, they have a speed of 5.0 m / s. How much work is done during this process?

1. Motion, forces and energy  →  1.7.2. Work

1. Motion, forces and energy  →  1.7.4. Power

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12

A manometer is used to measure the pressure of a gas supply. h connection to gas supply manometer liquid Which change gives a greater value of height h ?

1. Motion, forces and energy  →  1.8. Pressure

1. Motion, forces and energy  →  1.4. Density

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13

A washbasin has an exit pipe covered with a plug of area 12 cm2. A chain is attached to the centre of the plug to assist in pulling the plug away from the exit hole. The washbasin contains water to a depth of 0.080 m. The density of the water is 1000 kg / m3. chain plug What is the force acting on the plug due to the water?

1. Motion, forces and energy  →  1.8. Pressure

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14

Diagram 1 shows apparatus being used to observe smoke particles. Diagram 2 shows how a smoke particle moves randomly. microscope air molecules and smoke particles light diagram 1 diagram 2 random movement eye Why do the smoke particles move randomly?

2. Thermal physics  →  2.1.2. Particle model

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15

A closed container of gas is heated. The pressure of the gas increases. Which statement explains this increase in pressure?

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

2. Thermal physics  →  2.1.2. Particle model

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16

The metal lid on a glass jar is difficult to unscrew. The jar is placed in a warm oven until the jar and the lid reach the same temperature. The lid is now easily unscrewed. Which property accounts for this?

2. Thermal physics  →  2.3.1. Conduction

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

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17

A block of iron of mass M is heated and gains 10 kJ of internal energy. The temperature of the block rises by θ °C. A second block of iron of mass 2M is heated and gains 5.0 kJ of internal energy. What is the temperature rise of the second block in °C?

2. Thermal physics  →  2.2.2. Specific heat capacity

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

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

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18

Which factors affect the sensitivity of a thermometer?

2. Thermal physics  →  2.3.3. Radiation

2. Thermal physics  →  2.2.2. Specific heat capacity

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19

Which statement about convection is not correct?

2. Thermal physics  →  2.3.2. Convection

2. Thermal physics  →  2.3.3. Radiation

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20

A lamp has a metal filament that glows when heated by an electric current. The middle of the filament is at a very high temperature. The ends of the filament, which are connected to the base of the lamp, are cooler. Which statement is correct?

4. Electricity and magnetism  →  4.2.4. Resistance

2. Thermal physics  →  2.3.3. Radiation

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21

Plane water waves travel from a shallow region into a deeper region. They travel more quickly in the deeper water. wave direction shallow water deep water boundary Which diagram shows the wave pattern in the deeper water?

3. Waves  →  3.1. General properties of waves

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22

A thin converging lens has a focal length of 6.0 cm. An observer looks through the lens at an object which is placed 4.0 cm from the lens. 4.0 cm object eye Which description of the image that is observed is correct?

3. Waves  →  3.2.3. Thin lenses

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23

A transmitter produces radio waves of wavelength 1500 m. It takes the waves 0.025 s to travel from the transmitter to a radio receiver. What is the distance between the radio transmitter and the receiver?

3. Waves  →  3.1. General properties of waves

3. Waves  →  3.3. Electromagnetic spectrum

6. Space physics  →  6.1.2. The Solar System

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24

Different parts of the electromagnetic spectrum are used for different purposes. Below are four statements about parts of the spectrum. statement 1: Infra-red waves are used in television remote controllers. statement 2: Radio waves are used to transmit television pictures from satellites to Earth. statement 3: Ultraviolet waves are used for intruder alarms. statement 4: X-rays are used for security checks. Which statements are correct?

3. Waves  →  3.3. Electromagnetic spectrum

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25

A sheet of ice floats on water. A source of sound S is positioned at the edge of the ice sheet. Four microphones are placed equal distances from S. Which microphone detects the sound from S first?

3. Waves  →  3.4. Sound

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26

The diagram shows a bar magnet at rest on a smooth horizontal surface. A length of soft-iron wire is held parallel to the magnet. N S soft-iron wire magnet The wire is released. What happens?

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

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

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27

The diagram shows point X between two charged plates. + + + + + + – – – – – – X Which diagram shows the electric field pattern near point X?

4. Electricity and magnetism  →  4.2.1. Electric charge

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28

A bar magnet is placed inside a current-carrying coil. The diagram shows four different experiments. magnet slowly removed magnet slowly removed current in coil slowly reduced + – current in coil slowly reduced + – In which experiments is the magnet demagnetised?

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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29

Copper wire is available in fixed lengths but in various diameters d. Each diameter has a different resistance R. Which relationship between R and d is correct?

4. Electricity and magnetism  →  4.2.4. Resistance

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30

A student investigates the resistance of a lamp. Which row states how the meters must be connected?

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

4. Electricity and magnetism  →  4.2.4. Resistance

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31

The circuit shown...

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

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32

The circuit diagram shows a d.c. power supply connected to two resistors R1 and R2 and four diodes. + – R1 R2 Which statement is correct?

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

4. Electricity and magnetism  →  4.2.2. Electric current

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33

A logic gate has inputs 0,0 and an output 1. Which two types of logic gate behave in this way?

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34

Either a fuse or a circuit-breaker can be used to protect electrical cables from large currents that could cause overheating. electrical supply X Y appliance cable cable live neutral When a fuse is used, where should it be connected, and when a circuit-breaker is used, where should it be connected?

4. Electricity and magnetism  →  4.4. Electrical safety

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35

Electrical power is transmitted at 400 kV and transformed down to 240 V before being delivered to consumers. Which statement is correct?

4. Electricity and magnetism  →  4.5.6. The transformer

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36

The diagram shows a coil of wire between the poles of a magnet. 20 turns N S + – power supply The coil consists of 20 turns of insulated wire. The coil is connected to a variable resistor and a power supply. How can the turning effect on the coil be increased?

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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37

Which diagram represents the structure of a neutral atom?

5. Nuclear physics  →  5.1.1. The atom

5. Nuclear physics  →  5.1.2. The nucleus

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38

A radioactive nucleus Rn decays in two stages to produce Pb . Which two particles are emitted in this process?

5. Nuclear physics  →  5.2.3. Radioactive decay

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

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39

The diagram shows the paths of three different types of radiation X, Y and Z. X Y Z 2 mm of plastic 10 mm of aluminium 50 mm of lead Which row correctly identifies X, Y and Z?

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 count rate measured when near a radioactive source drops from 542 counts per minute to 94 counts per minute in 12 hours. The background count remains constant at 30 counts per minute. What is the half-life of the source?

5. Nuclear physics  →  5.2.1. Detection of radioactivity

5. Nuclear physics  →  5.2.4. Half-life

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