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Which list places units of length in increasing order of magnitude (size)?
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502
Which graph represents an object that is moving at constant speed?
504
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570
Which statement about the equation shown is correct?
$W = mg$
540
599
502
Which substance in the table has the lowest density? [Table_1]
544
518
536
The diagram shows a simple balance. The two loads, X and Y, can be moved along the beam. [Image_1: Diagram shown]
Which graph shows how the moment produced by load Y varies as the perpendicular distance $d$ from the pivot changes?
527
527
532
A spacecraft is travelling in space with no resultant force and no resultant moment acting on it.
Which statement about the spacecraft is correct?
592
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571
A student carries out an investigation by pulling four different boxes across the floor.
The results are shown in the table.
On which box is the most work done?
[Table_1]
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556
Electrical energy may be obtained from nuclear fission. In which order is the energy transferred in this process?
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A stone falls.
Which row gives the energy changes?
[Table_1]
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556
A rope, connected to a pulley system and motor, is used to lift different objects through different distances. The time taken to lift each object is the same. The diagrams are not to scale.
Which motor requires the greatest power?
526
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554
The diagram shows a simple mercury barometer.
Which length is used to indicate atmospheric pressure in a simple mercury barometer?
574
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584
A liquid is evaporating. The liquid is not boiling.
Which statement about the liquid is correct at an instant in time?
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The temperature of the gas in a sealed container of constant volume decreases from 20\(^\circ\)C to 12\(^\circ\)C.
Which row is correct?
[Table 1]
595
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512
A long, thin bar of copper is heated gently and evenly along its length.
What happens to the bar?
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A teacher makes the statement, 'Object P has a higher thermal capacity than object Q.'
What does this statement mean?
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563
The diagram shows a pan used for cooking food.
Which row is correct for the materials used to make the base and the handle of the pan?
598
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585
The diagrams show two patterns produced by water waves.
Which two effects are shown in the diagrams?
538
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556
Which row is not correct for a wave on the surface of water?
[Table_1]
582
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587
A thin, converging lens causes parallel rays of light to converge to a single point known as the principal focus.
Which statement explains this?
572
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550
The diagram shows a ray of light in air incident on a glass block. Some of the light is refracted and some of the light is reflected. Two angles, $p$ and $q$, are marked on the diagram.
Which row gives the angle of incidence and states whether total internal reflection occurs?
[Table_1]
570
531
563
The letter F is reflected in a mirror.
What does the optical image look like?
500
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520
Visible light, X-rays and microwaves are all components of the electromagnetic spectrum. Which statement about the waves is correct?
575
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598
Which radiation has a higher frequency than red light?
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534
Which circuit symbol represents a component used to measure electric current?
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524
Four wires made of the same metal have different lengths and different diameters.
Which wire has the lowest resistance?
[Table_1: length and diameter of wires]
535
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503
The diagram shows a circuit containing two resistors of resistance 1.0\(\Omega\) and 2.0\(\Omega\).
A voltmeter is connected across the 1.0\(\Omega\) resistor by connecting P to X.
The reading on the voltmeter is 6.0 V.
P is moved to point Y in the circuit.
What is the new reading on the voltmeter?
564
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535
Which device is used to measure the flow of charge in an electrical circuit?
509
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600
A student designs a circuit to turn on a fan when the temperature increases. Which component does the student need to use in her circuit?
562
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503
Two resistors, with resistances $R_1$ and $R_2$, are connected in parallel.
The resistance $R_1$ is greater than the resistance $R_2$.
What is the resistance of the parallel combination?
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515
The diagram shows a motor connected to an a.c. supply. The circuit is incomplete. Which device needs to be connected between point X and point Y to prevent the wires from overheating if a fault in the motor causes the current to get too high?
537
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568
A hairdresser is using a hairdryer with a plastic casing. He notices that there is no wire attached to the earth pin of the plug.
Why is an earth connection not needed?
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Four positions of a current-carrying coil in a magnetic field, as in a d.c. motor, are shown.
In diagrams 2 and 4, the coil is at an angle of 45° to the field lines.
Which row is correct?
572
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592
An electric drill, operating from a supply voltage of 240V, uses a current of 3.5A.
Which rating of fuse should be used to protect the drill's cable?
554
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532
A very important experiment improved scientists’ understanding of the structure of matter.
The experiment involved $\alpha$-particles being fired at a thin, gold foil.
What happened?
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A sample contains 0.0016 g of a radioactive isotope. After 4.0 hours the mass of the radioactive isotope in the sample falls to 0.00080 g. What is the half-life of the radioactive isotope?
595
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509
A sample of a radioactive isotope has a mass of 100 g. The half-life of the radioactive isotope is 6.0 hours.
Which graph shows the decay for this isotope?
577
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546
Which statement best describes background radiation?
530
549
553
