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1

The diagram shows a vernier V placed against a scale S. V S What is the vernier reading?

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2

An aircraft, flying at a constant height, is gaining speed. The four forces acting are L lift due to the wings R air resistance T the thrust due to the engines W the weight T R L W What is correct?

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

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3

What must change when a body is accelerating?

1. Motion, forces and energy  →  1.2. Motion

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

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4

The graph illustrates the motion of an object. speed time S T X Which feature of the graph represents the distance travelled by the object whilst moving at a constant speed?

1. Motion, forces and energy  →  1.2. Motion

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5

A body P moves in a circle around a point S. A force F keeps it moving in the circle. S F P What happens if the force F suddenly disappears?

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

6. Space physics  →  6.1.2. The Solar System

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

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6

An object that has a mass of 15 kg on the Earth is taken to the Moon. The gravitational field strength on the Earth is 10 N / kg and on the Moon is 1.6 N / kg. What are the mass and the weight of the object on the Moon?

6. Space physics  →  6.1.2. The Solar System

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

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7

A student is trying to find the density of a stone, but he has mixed up the instruction cards. Read the new level of the liquid in the measuring cylinder Card 2 Flick the cylinder to get rid of any air bubbles Card 6 Subtract the original volume of liquid from the volume of liquid plus the stone Card 7 Put some liquid into a measuring cylinder and read the level of the liquid Card 5 Divide the mass of the stone by its volume to find the density Card 4 Find the mass of the stone using a mass balance Card 1 Put the stone into the liquid Card 3 What order should the cards be in?

1. Motion, forces and energy  →  1.4. Density

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

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8

A tractor is being used on rough ground. What is the safest position for its centre of mass?

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

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9

A plane lamina is freely suspended from point P. The weight of the lamina is 2.0 N and the centre of mass is at C. lamina P Q C PC = 0.50 m PQ = 0.40 m QC = 0.30 m The lamina is displaced to the position shown...

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

1. Motion, forces and energy  →  1.5.5. Turning effect of forces

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10

Two forces act at right angles at a point O as shown...

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

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

1. Motion, forces and energy  →  1.8. Pressure

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11

A mass hangs on a string fixed at point P. It starts from position 1 and swings to the furthest position on the opposite side, position 2. It then oscillates several times with decreasing amplitude before ending at position 3. P Where does the ball have the most kinetic energy?

1. Motion, forces and energy  →  1.7.1. Energy

1. Motion, forces and energy  →  1.2. Motion

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12

A girl of weight 500 N runs up a flight of stairs in 10 seconds. The vertical height of the stairs is 5 m. girl flight of stairs 5 m What is the average power developed by the girl?

1. Motion, forces and energy  →  1.7.5. Power

1. Motion, forces and energy  →  1.2. Motion

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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13

A brick of weight 80 N stands upright on the ground as shown...

1. Motion, forces and energy  →  1.8. Pressure

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14

A manometer is connected to a gas supply. air water 4 cm 8 cm connected to gas supply Pressure can be measured in cm of water. What is the pressure of the gas?

1. Motion, forces and energy  →  1.8. Pressure

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15

What will not affect the rate of evaporation from the surface of a liquid?

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

1. Motion, forces and energy  →  1.8. Pressure

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16

What makes a thermometer sensitive to small changes in temperature?

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

1. Motion, forces and energy  →  1.8. Pressure

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17

A hot liquid is carefully poured into a beaker. The graph shows how its temperature changes as it cools towards room temperature. temperature time X Which processes are taking place at region X?

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

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18

The diagram shows a room seen from above. It is cold outside the room. The room is heated by a small fire in the fireplace. chimney for escape of waste gases carpet solid wall glass window door fireplace Where is most heat lost by convection?

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

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

2. Thermal physics  →  2.3.3. Radiation

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19

An experiment is carried out as shown...

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

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20

The diagram shows a wave on a string with two points P and Q marked. The wave is moving in the direction shown...

3. Waves  →  3.1. General properties of waves

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21

The dipper in a ripple tank vibrates at a frequency of 4.0 Hz and the resulting wave pattern is photographed. The distance between the two crests shown...

3. Waves  →  3.1. General properties of waves

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22

Which characteristics describe an image formed in a plane mirror?

3. Waves  →  3.2.1. Reflection of light

3. Waves  →  3.2.3. Thin lenses

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23

The diagram shows an object O placed 3 cm away from a converging lens of focal length 6 cm. O 3 cm 6 cm 6 cm F F What type of image is produced?

3. Waves  →  3.2.3. Thin lenses

3. Waves  →  3.2.1. Reflection of light

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24

Wave forms are shown...

3. Waves  →  3.4. Sound

3. Waves  →  3.1. General properties of waves

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25

A student tries to magnetise a short steel rod. Which of these tests will show that he has been successful?

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

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26

Four processes are used to charge an isolated metal sphere. P The sphere is earthed by touching it. Q The earth connection is removed from the sphere. R A charged rod is brought close to the sphere. S The charged rod is removed. In which order should these processes be carried out to charge the sphere?

4. Electricity and magnetism  →  4.2.1. Electrical charge

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27

Why can birds stand on an overhead high voltage transmission line without suffering any harm?

4. Electricity and magnetism  →  4.4.2. Electrical safety

4. Electricity and magnetism  →  4.5.6. The transformer

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28

The diagram shows a cell connected in series with an ammeter and three resistors (10 Ω, 20 Ω, 30 Ω). The circuit can be completed by a moveable contact M. A M X Y Z 10 Ω 20 Ω 30 Ω When M is connected to X, the ammeter reads 0.6 A. What is the ammeter reading when M is connected to Y?

4. Electricity and magnetism  →  4.2.4. Resistance

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

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

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29

In the circuit shown...

4. Electricity and magnetism  →  4.2.4. Resistance

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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30

A combined bathroom unit of a heater and a lamp is controlled by one switch. The unit contains a 2 kW heater and a 100 W lamp. In one week, the lamp uses 1 kW h of electrical energy. How much electrical energy is used by the heater alone?

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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

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31

An electric kettle is plugged in and switched on. The fuse in the plug blows immediately. Which single fault could cause this?

4. Electricity and magnetism  →  4.4.2. Electrical safety

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32

A coil, carrying a current, is arranged within a magnetic field. The coil experiences forces that can make it move. magnetic field current current Y X In which direction does the coil move?

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

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33

A magnet is pushed horizontally towards a coil of insulated wire, inducing an e.m.f. in the coil. magnet In which direction does the induced e.m.f. make the coil move?

4. Electricity and magnetism  →  4.5.1. Electromagnetic induction

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

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34

A step-up transformer with 100 % efficiency has an input voltage of 3 V and an input current of 2 A. input voltage 3 V output voltage Under these conditions, what output voltage and output current could be obtained?

4. Electricity and magnetism  →  4.5.6. The transformer

1. Motion, forces and energy  →  1.7.4. Efficiency

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35

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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36

A potential divider consists of an LDR and a resistor connected to a 6 V battery. output 10 000 Ω 6 V What should be the resistance of the LDR for the output to be 3 V?

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

4. Electricity and magnetism  →  4.2.4. Resistance

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37

The diagram shows the apparatus used in an experiment in which barriers of various materials are placed in turn between different radioactive sources and a detector. radioactive source detector (G-M tube) barrier The table shows the count rates recorded by the detector for four sources. Which source emits alpha-particles only?

5. Nuclear physics  →  5.2.1. Detection of radioactivity

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38

A nucleus is represented by Z . It emits one alpha-particle and then one beta-particle. What is the resulting nucleus X?

5. Nuclear physics  →  5.1.2. The nucleus

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39

A nuclide of the element plutonium is Pu . What is the number of neutrons in its nucleus?

5. Nuclear physics  →  5.1.2. The nucleus

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40

Which statement defines isotopes?

5. Nuclear physics  →  5.1.2. The nucleus

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