No questions found
A student uses a metre rule to measure the length of a sheet of paper.
Which measurement is shown to the nearest millimetre?
600
584
544
The diagram shows the distance–time graph for the motion of an object.
How can the motion of the object be described?
549
578
526
An athlete runs 300 m up a hill in 100 s.
She then runs down the same hill in 50 s.
What is her average speed for the whole run?
577
543
554
The diagram shows an object on a balance. The reading on the balance is shown.
Which quantity is shown?
587
578
532
A student is asked to predict whether a solid floats in a liquid.
Which information does the student require?
565
504
552
The diagram shows a car moving along a road.
The force due to the engine is 1500 N and the total drag force is 200 N.
What is the motion of the car?
561
506
545
Students X and Y are sitting on a seesaw. Student X has a weight of 400 N and student Y has a weight of 600 N. The seesaw is in equilibrium.
Which statement correctly describes why the seesaw is in equilibrium?
587
551
515
The diagram shows a frictionless pendulum.
The pendulum bob swings from point P through point Q to point R then back to P.
At which point is the energy of the pendulum bob greatest?
563
597
534
Which statement correctly compares the production of electricity using wind and the production of electricity using nuclear fission?
537
511
519
To calculate the power produced by a force, the size of the force must be known. What else needs to be known to calculate the power? [Table_1]
552
590
554
The diagram shows a mercury barometer.
Which height is used as a measurement of atmospheric pressure?
579
508
590
A large box has a weight of 700 N. The box is placed on the floor.
What is the pressure on the floor due to the box?
563
504
541
On a warm day, a driver checks the air pressure in a car tyre. At night, the temperature drops and the air pressure in the tyre decreases. There are no air leaks in the tyre. Why does the pressure decrease?
514
578
562
A textbook gives the description of a thermal process as 'more-energetic molecules escape from the surface of a liquid which causes the liquid to cool'.
Which process is being described?
517
581
538
Which physical property changes when temperature is measured with a liquid-in-glass thermometer?
513
562
531
Two different pure substances X and Y are heated. Both substance X and substance Y are initially in the solid state.
The graph shows how the temperature of each substance changes with time.
What does the graph tell us about the substances?
594
519
500
The diagram shows the view of a room heated by a radiator. The arrowed line from X to Y is the path of the convection current in the air.
Which row about the air temperature and the air density at X and at Y is correct?
588
576
554
Which thermal process can transfer energy through a vacuum?
585
501
557
Which row correctly describes light waves?
[Table_1]
527
565
559
The diagram shows a wave. It is not drawn to scale.
What are the amplitude and the wavelength of the wave?
558
531
531
A boy is having his eyes tested. A letter is printed on a card placed over his head. He sees the card in a plane mirror placed on the far wall of the room.
He sees the letter 'R' in the mirror. How is it printed on the card?
526
507
588
A man sees a stone at the bottom of a pool of water.
Which path could be taken by light from the stone to the man?
558
597
543
The diagram shows the image made by a converging lens.
Which statement describes the image formed?
575
552
580
The diagram shows three types of electromagnetic radiation listed in a particular order. The electromagnetic radiation is travelling in a vacuum.
Which quantities increase in magnitude going from left to right across the list?
586
567
562
A police car with its siren sounding is stationary in heavy traffic. A pedestrian notices that, although the loudness of the sound produced does not change, the pitch varies.
Which row describes the amplitude and the frequency of the sound?
[Table_1]
519
569
522
Diagrams 1, 2 and 3 show an experiment to compare two magnets 1 and 2.
Which row explains the readings on the balances?
518
510
534
A student uses three small plotting compasses to investigate the magnetic field around a bar magnet.
Which diagram shows the directions in which the compass needles point?
552
580
585
Which statement about charging an insulator is correct?
565
564
546
Each diagram shows part of a circuit. The circle represents an instrument used to measure the potential difference (p.d.) across the resistor. Which row is correct? [Table_1].
523
561
530
A student uses four ammeters P, Q, R and S to measure the current in different parts of the circuit shown.
Which two ammeters read the largest current?
561
560
501
Three statements about a relay are given.
1. A relay has a coil that becomes a temporary magnet when in operation.
2. A large current in a relay coil is used to switch off a smaller current.
3. A small current in a relay coil is used to switch on a larger current.
Which statements are correct?
597
551
507
An electrical appliance is powered from a mains supply.
The appliance normally uses a current of 3A, but the current briefly rises to 4A at the instant the appliance is switched on. The cable to the appliance is designed for currents up to 6A.
A fuse is used to protect the circuit.
What should be the rating of the fuse?
600
579
580
When a metal wire moves up, cutting a magnetic field, an electromotive force (e.m.f.) is induced across the wire.
Which change affects the magnitude of the induced e.m.f?
569
593
533
A transformer is needed to convert a supply of 240 V a.c. into 4800 V a.c.
Which pair of coils would be suitable for this transformer?
[Table_1]
594
525
544
The diagram shows a wire carrying a current in the direction shown. There is a magnetic field acting from left to right. The wire experiences a force acting out of the page.
The current is now reversed.
In which direction does the force on the wire now act?
589
570
544
Which statement is correct for the nucleus of any atom?
514
531
514
How many protons and how many neutrons are in a nucleus of $^{234}_{90}Th$?
[Table_1]
580
582
580
A radiation detector in a laboratory is measuring background radiation. Which row describes the readings and the cause?
[Table_1]
533
521
591
The graph shows the radioactive decay curve of a substance.
What is the half-life of this substance?
556
576
557
