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1

A manufacturer needs to measure accurately the dimensions of a wooden floor tile. The approximate dimensions of the tile are shown...

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

3. Waves  →  3.2.3. Thin lenses

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2

A car takes 1 hour to travel 100 km along a main road and then ½ hour to travel 20 km along a side road. main road 100 km 1 hour side road 20 km 1/2 hour start finish What is the average speed of the car for the whole journey?

1. Motion, forces and energy  →  1.2. Motion

1. Motion, forces and energy  →  1.5.2. Friction

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3

How is the motion of a body affected by balanced and unbalanced forces acting on it?

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

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4

The diagram represents the Moon in its orbit around the Earth. Which arrow represents the direction of the resultant force acting on the Moon at the instant shown...

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

6. Space physics  →  6.1.1. The Earth

6. Space physics  →  6.1.2. The Solar System

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5

The diagram shows two objects on a beam balance in equilibrium. Which need not be the same?

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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6

The mass of a measuring cylinder is measured before and after pouring a liquid into it. cm3 cm3 before after mass 149.5 g mass 110.0 g What is the density of the liquid?

1. Motion, forces and energy  →  1.4. Density

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

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7

The diagram shows a uniform half-metre rule balanced at its mid-point. 15 cm 20 cm rule pivot weight 100 N metal block What is the weight of the metal block?

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

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

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8

A piece of uniform card is suspended freely from a horizontal pin. At which of the points shown...

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

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9

A single spring is loaded with a 1 N weight. The load is then increased to 2 N and the extension increases by 1.0 cm, as shown...

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

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10

The graph shows how the height above the ground of a bouncing ball changes with time. height time 0 0 Which statement explains why the height of each peak decreases with time?

1. Motion, forces and energy  →  1.2. Motion

1. Motion, forces and energy  →  1.7.1. Energy

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11

Where is energy released by the fusion of hydrogen atoms to form helium?

6. Space physics  →  6.2.1. The Sun as a star

5. Nuclear physics  →  5.2.4. Fission and fusion

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12

A crane lifts a weight of 1000 N through a vertical height of 30 m. It uses 60 000 J of energy. What is the efficiency of the crane?

1. Motion, forces and energy  →  1.7.4. Efficiency

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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13

A rock climber of weight 600 N climbs up a rock face of vertical height 300 m in 3600 s. What is the average power she generates against gravity during this time?

1. Motion, forces and energy  →  1.7.5. Power

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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14

The diagram shows a simple manometer. R S X Y h Side X is connected to a gas supply. Side Y is open to the atmosphere. What pressure is the length h used to measure?

1. Motion, forces and energy  →  1.8. Pressure

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15

The diagram shows the principle of an hydraulic system. master cylinder area 12.0 cm2 master piston slave piston slave cylinder area 8.0 cm2 60 N The cross-sectional area of the master cylinder is 12.0 cm2 and the cross-sectional area of the slave cylinder is 8.0 cm2. The force applied to the master piston is 60 N, producing a pressure of 5.0 N / cm2. Which line in the table is correct?

1. Motion, forces and energy  →  1.8. Pressure

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16

A student needs a double-walled glass vessel to contain a hot liquid. space glass walls hot liquid air outside Q R S What reduces heat losses by radiation?

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

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

2. Thermal physics  →  2.3.3. Radiation

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17

A thermocouple thermometer is made from two wires connected to a voltmeter. V hot junction copper wire wire X Which arrangement gives a 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  →  4.4.2. Electrical safety

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18

Using an electric kettle, 100 g of water at 100 °C is converted into steam at 100 °C in 300 seconds. The specific latent heat of steam is 2250 J / g. What is the average electrical power used?

1. Motion, forces and energy  →  1.7.4. Efficiency

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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19

The table shows the increase in length of four metals when heated through the same temperature rise. Each metal initially has the same length. metal increase in length / m aluminium 0.000030 copper 0.000020 platinum 0.000009 steel 0.000010 A bimetallic strip is made from two of the metals. When heated, it bends in the direction shown...

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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20

When ice melts to become water, which force must be overcome?

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

6. Space physics  →  6.1.2. The Solar System

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21

Which factors increase the rate of evaporation of a liquid?

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

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22

The diagram shows the refraction of water waves in a ripple tank. The water is shallower above the glass sheet. oscillating rod shallower region deeper region glass sheet When crossing into the shallower region, what is the effect on the frequency and on the speed of the waves?

3. Waves  →  3.1. General properties of waves

3. Waves  →  3.4. Sound

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23

An eye views an object O by reflection in a plane mirror. Which is the correct ray diagram?

3. Waves  →  3.2.3. Thin lenses

3. Waves  →  3.2.1. Reflection of light

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24

A ray of light enters a glass block at an angle of incidence i producing an angle of refraction r in the glass. glass block r i Several different values of i and r are measured, and a graph is drawn of sin i against sin r. Which graph is correct?

3. Waves  →  3.2.2. Refraction of light

3. Waves  →  3.2.1. Reflection of light

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25

In a short-sighted eye, rays from distant objects are not focused on the retina. Where are these rays focused and what type of lens is needed to correct the problem?

3. Waves  →  3.2.3. Thin lenses

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26

Delicate instruments are often placed in a ‘box’ to protect them from stray magnetic fields. What is the material used for the box and why is it chosen?

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

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

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27

A piece of polythene is rubbed with a cloth duster. The polythene becomes negatively charged and the cloth becomes positively charged. What happens to the polythene and to the cloth to cause this?

4. Electricity and magnetism  →  4.2.1. Electrical charge

5. Nuclear physics  →  5.1.2. The nucleus

5. Nuclear physics  →  5.1.1. The atom

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28

The current in an electric heater is 10 A. It is switched on for five minutes. How much charge flows through the heater?

4. Electricity and magnetism  →  4.2.2. Electrical current

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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29

Which graph shows how the current changes when the voltage across a fixed resistance is varied?

4. Electricity and magnetism  →  4.2.4. Resistance

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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30

The circuit diagram shows a parallel arrangement of resistors. P, Q, R and S represent the current at the points shown...

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

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31

An electric heater is rated at 3 kW. Electrical energy costs 20 cents per kW h. What is the cost of using the heater for five hours?

4. Electricity and magnetism  →  4.4.1. Uses of electricity

1. Motion, forces and energy  →  1.7.4. Efficiency

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32

What is the purpose of a circuit breaker in an electric circuit?

4. Electricity and magnetism  →  4.2.2. Electrical current

4. Electricity and magnetism  →  4.4.2. Electrical safety

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33

Each of the diagrams is a cross-section through two parallel, current-carrying conductors. Which diagram shows correctly the magnetic field pattern and the directions of the forces on the two conductors?

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

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34

The e.m.f. induced in a conductor moving at right-angles to a magnetic field does not depend upon A the length of the conductor. B the resistance of the conductor. C the speed of the conductor. D the strength of the magnetic field.

4. Electricity and magnetism  →  4.5.1. Electromagnetic induction

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

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35

Which diagram shows how the voltage output of a simple a.c. generator varies with time?

4. Electricity and magnetism  →  4.4.1. Uses of electricity

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

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36

The diagram shows a working transformer. input (primary coil) output (secondary coil) Which statement is correct?

4. Electricity and magnetism  →  4.5.6. The transformer

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37

The electric circuit shown...

4. Electricity and magnetism  →  4.2.4. Resistance

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38

What occurs in the decay of a radioactive nucleus?

5. Nuclear physics  →  5.2.3. Radioactive decay

5. Nuclear physics  →  5.1.2. The nucleus

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39

The radioactive nucleus Rb decays with the emission of a beta-particle. How many protons and neutrons are left in the nucleus?

5. Nuclear physics  →  5.1.2. The nucleus

5. Nuclear physics  →  5.2.3. Radioactive decay

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40

A narrow beam of alpha-particles is fired at a thin piece of gold foil. Which is the final direction of the largest number of alpha-particles?

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

5. Nuclear physics  →  5.2.1. Detection of radioactivity

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