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1

A car accelerates at 5.0 m / s2 along a straight, horizontal road and reaches a velocity of 20 m / s in a time of 4.0 s. During this time, its total displacement is 40 m. Which quantity is a scalar?

1. Motion, forces and energy  →  1.2. Motion

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2

The diagram shows the resultant R of a 3.0 N force and a 4.0 N force acting at a point. R 3.0 N 4.0 N The angle between the 3.0 N force and the 4.0 N force can be any value from 0° to 90°. Which value of R is not possible?

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

1. Motion, forces and energy  →  1.7.2. Work

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3

A micrometer is used to measure the diameter of a uniform wire. wire screw rotating scale fixed scale What is done to obtain an accurate answer?

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

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

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4

The diagram shows the distance-time graph of a car. distance time The car is travelling along a straight road up a hill. Which quantity for the car is constant and greater than zero?

1. Motion, forces and energy  →  1.2. Motion

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5

The diagram shows a speed-time graph for an object moving with uniform acceleration. 6.0 4.0 speed m / s time / s What is the distance travelled in the first 4.0 s?

1. Motion, forces and energy  →  1.2. Motion

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6

A hanging basket is fixed to a wall by a bracket. wall 80 N 20 N bracket The weight of the basket is 80 N. The weight of the bracket is 20 N. What is the size of the upwards force exerted on the bracket by the wall?

1. Motion, forces and energy  →  1.7.2. Work

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

1. Motion, forces and energy  →  1.2. Motion

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7

A train of mass 240 000 kg is travelling at a speed of 60 m / s. The brakes are applied and it decelerates for 10 minutes until it comes to rest. What is the average resultant force?

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

1. Motion, forces and energy  →  1.6. Momentum

1. Motion, forces and energy  →  1.7.2. Work

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8

A car travels at a constant speed along a circular, horizontal path. path of car towards the centre away from the centre the direction of travel car Which statement describes the forces acting on the car?

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

1. Motion, forces and energy  →  1.5.4. Circular motion

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9

The diagram shows a block of wood resting on a sloping board. Which arrow shows the direction of the gravitational force acting on the block?

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

1. Motion, forces and energy  →  1.7.2. Work

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

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10

On the Earth’s surface, the gravitational field strength is 10 N / kg. On the surface of Mars, the gravitational field strength is 3.8 N / kg. A robot vehicle has a weight of 2000 N on Earth. What is the weight of the robot vehicle on Mars?

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

6. Space physics  →  6.1.2. The Solar System

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11

The diagram shows a rectangular block. 5.0 cm 4.0 cm 3.0 cm (not to scale) The density of the block is 2.5 g / cm3. What is the mass of the block?

1. Motion, forces and energy  →  1.4. Density

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

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12

The graph shows the extension of a piece of copper wire as the load on it is increased. extension of wire load What does the graph show?

1. Motion, forces and energy  →  1.5.3. Elastic deformation

4. Electricity and magnetism  →  4.2.4. Resistance

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13

The diagram shows a load-extension graph for a wire. Which point is the limit of proportionality?

1. Motion, forces and energy  →  1.5.3. Elastic deformation

4. Electricity and magnetism  →  4.2.4. Resistance

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14

A small motor has an input power rating of 10 W and is run for 5.0 minutes. What is the electrical energy input to the motor in this time?

4. Electricity and magnetism  →  4.4.1. Uses of electricity

1. Motion, forces and energy  →  1.7.5. Power

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15

A student of mass 60 kg climbs some steps. He travels a horizontal distance of 2.0 m and a vertical distance of 1.5 m. The gravitational field strength g is 10 N / kg. 2.0 m 1.5 m (not to scale) What is the work done against the force of gravity?

1. Motion, forces and energy  →  1.7.2. Work

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

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16

Which energy source is non-renewable?

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

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17

In a coal-fired power station, the coal is burnt and thermal energy is produced. The thermal energy is used to produce electrical energy. In which order does the energy pass through parts of the power station?

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

1. Motion, forces and energy  →  1.7.1. Energy

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18

Two glass containers filled with different liquids are placed next to each other. Point P is a distance h below the surface of the liquid in one container. Point Q is a distance h below the surface of the liquid in the other container. P h Q h Why is the pressure at P different from the pressure at Q?

1. Motion, forces and energy  →  1.8. Pressure

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19

The pressure of a gas in a cylinder is measured using a water manometer. to gas cylinder 20 cm water The density of water is 1000 kg / m3 and the gravitational field strength g is 10 N / kg. What is the pressure, above atmospheric pressure, of the gas in the cylinder?

1. Motion, forces and energy  →  1.8. Pressure

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20

A fixed mass of gas is enclosed in a cylinder with a movable piston. cylinder gas piston The gas is initially at pressure p1 and has a volume V1. The temperature is kept constant. The piston is moved so that the pressure becomes p2 and the volume becomes V2. Which equation is correct?

2. Thermal physics  →  2.1.2. Particle model

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

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21

A substance consists of particles that are close together and moving past each other at random. The average speed of the particles is gradually increasing. What best describes the substance?

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

2. Thermal physics  →  2.1.2. Particle model

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22

Some ice cubes are taken from a freezer and heated in a container. The readings of temperature and time are recorded on the graph. Which temperature is 0 °C?

1. Motion, forces and energy  →  1.2. Motion

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

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23

A tray for making ice cubes holds 30 g of water. The specific latent heat of fusion of ice is 3.3 × 105 J / kg. How much thermal energy is removed from the water at 0 °C to change it into ice at 0 °C?

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

2. Thermal physics  →  2.2.2. Specific heat capacity

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24

The bulbs of the four thermometers shown...

5. Nuclear physics  →  5.2.1. Detection of radioactivity

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25

A metal box has four different surfaces; dull black, shiny black, dull silver and shiny silver. The box is filled with boiling water so that each surface is at the same temperature. A sensor measures the amount of radiation from each surface. shiny silver dull silver sensor meter Which surface emits the least radiation and which surface emits the most radiation?

2. Thermal physics  →  2.3.3. Radiation

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26

The diagram shows a water wave in a ripple tank being refracted at the boundary between region P and region Q. region P region Q boundary How does the wave in region P compare with the wave in region Q?

3. Waves  →  3.1. General properties of waves

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27

The graph shows how the height of a water wave varies with distance along the wave. –2 –4 –6 –8 height / mm distance / cm Which graph shows a wave with twice the amplitude, half the frequency, and the same speed?

3. Waves  →  3.1. General properties of waves

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28

A narrow beam of yellow and green light is separated as it passes through a prism. Which ray diagram is correct?

3. Waves  →  3.2.4. Dispersion of light

3. Waves  →  3.2.3. Thin lenses

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29

Which type of wave is used to send television signals to a satellite?

3. Waves  →  3.1. General properties of waves

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30

What proves that a metal bar is a permanent magnet?

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

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31

Which action demagnetises a bar magnet?

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

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

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32

Electrical apparatus is protected from magnetic fields by placing the apparatus in a box. What is the box made from?

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

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33

The circuit shown...

4. Electricity and magnetism  →  4.2.1. Electrical charge

4. Electricity and magnetism  →  4.2.4. Resistance

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34

The readings of an ammeter and a voltmeter are used to calculate the resistance of resistor R. Which circuit shows the ammeter and voltmeter in the correct positions?

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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35

A thermistor and a light-dependent resistor (LDR) are connected in series. A potential difference (p.d.) of 6.0 V is applied across them as shown...

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

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

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36

What is the effect of using a split-ring commutator?

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

The N-pole of a magnet is moved into a solenoid and an e.m.f. is induced. N S solenoid V What causes an increase in the induced e.m.f.?

4. Electricity and magnetism  →  4.5.1. Electromagnetic induction

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

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38

Which material is used for the core of a transformer?

4. Electricity and magnetism  →  4.5.6. The transformer

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39

Which row is correct for nuclear fission and for nuclear fusion?

5. Nuclear physics  →  5.2.4. Fission and fusion

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40

What happens to the proton number (atomic number) of a nucleus as it emits an alpha-particle?

5. Nuclear physics  →  5.1.2. The nucleus

5. Nuclear physics  →  5.1.1. The atom

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