---

---

1

Which list contains only scalar quantities?

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

1. Motion, forces and energy  →  1.2. Motion

Open

2

A small stone is dropped from the top of a ladder, falls and hits the ground. It does not rebound. Which speed-time graph is correct?

1. Motion, forces and energy  →  1.2. Motion

Open

3

A car travels along a road. The driver stops the car by pushing his foot down on the brake pedal. What does not change if he pushes harder on the brake pedal?

1. Motion, forces and energy  →  1.5.2. Friction

1. Motion, forces and energy  →  1.7.2. Work

Open

4

Vernier calipers are shown...

Open

5

A student pulls a piece of tape through a ticker-tape timer. Every 0.02 s, the timer prints a dot on the tape. First the tape is pulled quickly, then slowly, then quickly again. Which piece of tape does the student obtain?

1. Motion, forces and energy  →  1.2. Motion

Open

6

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 Which row is correct?

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

1. Motion, forces and energy  →  1.7.2. Work

Open

7

The base for a statue rests on level ground. It is made from stone and is 2.0 m long, 2.5 m high and 0.80 m wide. It has a weight of 96 000 N. 2.5 m 0.80 m 2.0 m What is the pressure that the base exerts on the ground?

1. Motion, forces and energy  →  1.8. Pressure

1. Motion, forces and energy  →  1.2. Motion

Open

8

What affects the stability of an object?

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

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

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

Open

9

A person of weight 600 N at the bottom of a mountain climbs to the top. The gravitational field strength changes from 10.00 N / kg at the bottom to 9.97 N / kg at the top. His mass is unchanged as he climbs. What are his mass and his weight at the top of the mountain?

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

Open

10

An engineer designs a dam wall for a reservoir. dam wall X Which factor determines the pressure at X?

1. Motion, forces and energy  →  1.8. Pressure

Open

11

A box has an internal volume of 1000 cm3. When a solid object is placed in the closed box, the volume of air in the box is 520 cm3. The density of the object is 8.00 g / cm3. air solid object What is the mass of the object?

1. Motion, forces and energy  →  1.4. Density

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

Open

12

A uniform metre rule is balanced by a 4 N weight as shown...

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

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

Open

13

The tubes inside solar heating panels use the Sun’s radiation to warm water. Why are the tubes painted black?

2. Thermal physics  →  2.3.3. Radiation

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

Open

14

A liquid evaporates rapidly. Why does this cause it to cool?

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

Open

15

A hot liquid is 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

Open

16

What is caused by the thermal expansion of a substance when heated?

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

4. Electricity and magnetism  →  4.2.4. Resistance

Open

17

The diagram shows a clinical thermometer. mercury constriction bore glass tube Which factor affects the sensitivity of the thermometer?

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

4. Electricity and magnetism  →  4.2.4. Resistance

Open

18

The energy output of a generator depends on its efficiency and the energy input. Which set of values is correct?

1. Motion, forces and energy  →  1.7.4. Efficiency

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

4. Electricity and magnetism  →  4.4.1. Uses of electricity

Open

19

When one radium nucleus decays, its mass decreases by 8.8 × 10–30 kg. How much energy is equivalent to this loss in mass?

5. Nuclear physics  →  5.2.3. Radioactive decay

5. Nuclear physics  →  5.1.1. The atom

5. Nuclear physics  →  5.1.2. The nucleus

Open

20

The diagram shows a curved track. A ball is released from the position shown...

1. Motion, forces and energy  →  1.7.1. Energy

6. Space physics  →  6.1.2. The Solar System

Open

21

During a thunderstorm, there is an interval of 1.70 s between an observer seeing the lightning and hearing the thunder. The speed of sound is 340 m / s. What is the distance between the observer and the storm?

3. Waves  →  3.4. Sound

1. Motion, forces and energy  →  1.2. Motion

Open

22

Which pair of emissions travels with the same speed in air?

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

3. Waves  →  3.4. Sound

Open

23

A ray of light strikes the surface of a glass block at an angle of incidence of 45°. The refractive index of the glass is 1.5. What is the angle of refraction inside the block?

3. Waves  →  3.2.2. Refraction of light

3. Waves  →  3.2.1. Reflection of light

Open

24

An object is viewed through a concave lens. What is the correct description of the image formed?

3. Waves  →  3.2.3. Thin lenses

3. Waves  →  3.2.1. Reflection of light

Open

25

In an experiment using a ripple tank, plane wavefronts arrive at a plane surface. plane surface λ Which row correctly describes the waves after they are reflected from the surface?

3. Waves  →  3.1. General properties of waves

3. Waves  →  3.2.1. Reflection of light

Open

26

Many electrical appliances have metal cases. To prevent the case from becoming ‘live’, with the possibility of an electric shock, the earth wire of the electric cable is attached to the case. How does the earth wire prevent an electric shock?

4. Electricity and magnetism  →  4.4.2. Electrical safety

Open

27

A metal ring screens a piece of equipment from a magnetic field. metal ring magnetic field equipment Which metal should be used for the ring, and why?

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

3. Waves  →  3.3. Electromagnetic spectrum

Open

28

The diagram shows a simple electric circuit. + – Which row describes the charge on an electron and the direction of electron flow through the resistor?

4. Electricity and magnetism  →  4.2.1. Electrical charge

4. Electricity and magnetism  →  4.2.2. Electrical current

Open

29

A negatively-charged sphere X is brought up to an identical uncharged sphere Y. The spheres do not touch. X Y insulating holder – – – – – – – – – – – – – – – – Sphere Y is ‘earthed’ by touching it with a finger, which is then removed. Sphere X is then moved away from sphere Y. What is the final charge, if any, on sphere Y?

4. Electricity and magnetism  →  4.2.1. Electrical charge

Open

30

A battery is used to light a 24 W electric lamp. The battery provides a charge of 120 C in 60 s. 24 W What is the potential difference across the lamp?

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

4. Electricity and magnetism  →  4.2.4. Resistance

Open

31

When three identical resistors are connected in series, their combined resistance is 6 Ω. series parallel What is their combined resistance when they are connected in parallel?

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

Open

32

The diagram shows a beam of electrons entering a magnetic field. The direction of the magnetic field is downwards, towards the bottom of the page. region of the magnetic field electrons In which direction does the deflection of the electrons occur?

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

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

Open

33

Electric power cables transmit electrical energy over large distances using a high voltage, alternating current. What are the advantages of using a high voltage and of using an alternating current?

4. Electricity and magnetism  →  4.5.6. The transformer

4. Electricity and magnetism  →  4.4.1. Uses of electricity

Open

34

What does not alter the size of the turning effect on the coil of an electric motor?

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

4. Electricity and magnetism  →  4.5.1. Electromagnetic induction

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

Open

35

The diagram shows an alarm system in which the switch S is shown...

4. Electricity and magnetism  →  4.4.2. Electrical safety

4. Electricity and magnetism  →  4.5.6. The transformer

Open

36

Two parallel vertical wires P and Q are a small distance apart in air. There is a downwards electric current in both wires. A force acts on Q owing to the current in P. This force is perpendicular to the wire Q. What is the direction of the force on Q?

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

Open

37

The diagram shows an a.c. generator connected to an electrical circuit (load resistor). N S axle slip rings mechanical drive coil of many turns load resistor Which statement is correct?

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

4. Electricity and magnetism  →  4.5.1. Electromagnetic induction

Open

38

The table shows details of two samples of radioactive nuclides X and Y. nuclide number of radioactive atoms at time = 0 half-life X 16 000 1 day Y 2 000 2 days After how many days will the number of atoms of nuclide X be equal to the number of atoms of nuclide Y?

5. Nuclear physics  →  5.2.5. Half-life

5. Nuclear physics  →  5.1.2. The nucleus

Open

39

A student investigates a radioactive source that emits only alpha-particles. Without any source nearby, the detector shows a low reading. The source and thick cardboard are placed near the detector, as shown...

5. Nuclear physics  →  5.2.1. Detection of radioactivity

Open

40

N is a nuclide of nitrogen. How many electrons are there in a neutral atom of N ?

5. Nuclear physics  →  5.1.2. The nucleus

5. Nuclear physics  →  5.1.1. The atom

Open