No questions found
A student measures the volume of a quantity of water.
Which apparatus is suitable?
594
585
533
The diagrams show distance–time graphs for four objects. Which graph represents an object moving with an increasing speed?
536
567
534
The gravitational field strength on the Moon is smaller than that on the Earth.
A scientist examines a rock which has been brought back from the Moon.
He measures three quantities.
1. the density of the rock
2. the mass of the rock
3. the weight of the rock
Which quantities are the same size on the surface of the Earth and on the surface of the Moon?
571
544
534
Which substance in the table has the lowest density?
[Table_1]
518
543
519
A 100 cm beam balances as shown.
The pivot is moved 10 cm to the left.
What will be the effect of this change on the anticlockwise and clockwise moments about the pivot?
516
591
514
A spacecraft is travelling in space with no resultant force and no resultant moment acting on it. Which statement about the spacecraft is correct?
521
511
513
The graph shows the total energy transferred by an electric motor over a period of time.
In which region of the graph is the greatest power being developed by the motor?
575
522
588
Electrical energy may be obtained from nuclear fission.
In which order is the energy transferred in this process?
509
588
573
The diagram shows an electric circuit. When the switch is closed, the lamp is lit.
Which row states the type of energy stored in the cell and how this energy is usefully transferred to the lamp?
[Table_1]
593
502
520
A scientist uses an electric motor to lift a load through a vertical distance of 2.0 m.
He then increases the input power to the motor and repeats the experiment. The efficiency of the motor does not change.
Which row correctly describes the effect that this has on the useful work done lifting the load and the time taken to lift it?
[Table_1]
512
555
563
The box shown has a weight of 15 N.
The box is resting on a horizontal surface with face P in contact with the surface.
What is the change in pressure on the surface if the box falls over onto face Q?
543
514
501
A liquid is evaporating. The liquid is not boiling. Which statement about the liquid is correct at an instant in time?
523
556
586
Which row correctly describes the movement of particles in solids and liquids?
[Table_1]
546
519
524
A long, thin bar of copper is heated gently and evenly along its length.
What happens to the bar?
550
586
528
The diagram shows a flask which has been filled with liquid X at room temperature.
When the flask is placed in warm water, the liquid rises higher up the tube. When the flask is put in cold water, the liquid drops below the original level in the tube.
The experiment is repeated using an identical flask but a different liquid Y. The initial level of the liquid in the tube is the same as that in the original experiment.
Liquid Y expands more, per degree increase in temperature, than liquid X.
Which row is correct for the level of the liquid?
507
577
547
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?
510
582
552
Which row gives the correct description of a sound wave?
[Table_1]
586
535
534
The diagram shows a wave.
Which row correctly indicates the amplitude and the wavelength of the wave?
551
570
505
A ray of green light passes through a glass prism as shown.
Which colours of light refract as shown in the table?
[Table_1]
555
576
545
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]
554
545
509
The diagram shows a ray of light in glass incident on the surface between the glass and air.
What happens if the angle of incidence is made larger than the critical angle for the glass?
542
596
525
Radiation from which part of the electromagnetic spectrum is used in the remote controller for a television?
565
584
514
Two rays of light are different colours.
Which row is correct?
[Table_1]
589
530
598
A bar magnet is brought near to a rod of unknown material.
The unknown rod is attracted to both ends of the bar magnet.
Which material is the bar made from?
509
588
561
In which circuit is the ammeter measuring the flow of charge through the lamp?
568
512
518
In circuit 1, a negative charge flows in a clockwise direction. The bulb is bright. In circuit 2, the battery is reversed as shown. The bulb is equally bright.
Which charge flows in circuit 2 and in which direction?
[Table_1]
charge direction
A negative anticlockwise
B negative clockwise
C positive anticlockwise
D positive clockwise
510
540
546
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 6.0V.
P is moved to point Y in the circuit.
What is the new reading on the voltmeter?
529
513
549
The step-down transformer shown reduces mains voltage to 12 V.
When the transformer is used, some energy is transferred to the surroundings.
Which type of energy is transferred to the surroundings?
500
505
562
The diagram shows an electric circuit.
Which row correctly shows the numbers of different components in the circuit?
[Table_1]
574
546
589
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?
593
594
500
The metal cases of electrical appliances are connected to an earth wire.
Which statement is not correct?
501
587
543
A teacher asks, 'Why do we put a fuse in a mains circuit?'
Student 1 says, 'It protects the wiring from overheating.' Student 2 says, 'It protects us from getting a shock if we touch the live wire.'
Who is correct?
551
517
563
Which graph represents an alternating current (a.c.)?
581
589
579
The current in a small electric heater is 4.0 A.
The cable connected to the heater is able to carry currents up to 10 A.
Fuses rated 1 A, 3 A, 5 A and 13 A are available.
Which fuse should be used?
558
538
561
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?
510
585
513
Some sources of background radiation are natural and others are due to human activity. Which source is natural?
568
573
533
A radioactive material is placed near a detector.
The detector shows a count rate of 28 000 counts/min.
When a piece of card is put between the material and the counter, the reading decreases to 25 000 counts/min.
When an aluminium sheet is put between the material and the counter, the reading remains at 25 000 counts/min.
When a sheet of lead is put between the material and the counter, the reading decreases to 19 000 counts/min.
What is being emitted by the radioactive material?
583
572
564
A radioactive isotope has a half-life of 3 years. A sample gives a count rate of 100 counts/min on a detector. Which calculation is used to predict the count rate after 12 years?
540
502
559
