No questions found
A student uses a metre ruler to measure the length of six identical table-tennis balls placed between two wooden blocks.
What is the diameter of one ball?
523
562
568
A train is on a straight track. The graph shows how a quantity \( y \) varies with time.
Which statements can be true?
1. The train is stationary and \( y \) represents the distance from the last station.
2. The train is moving and \( y \) represents the distance from the last station.
3. The train is stationary and \( y \) represents the speed of the train.
4. The train is moving and \( y \) represents the speed of the train.
550
558
563
A vehicle sent to explore the surface of Mars has a mass of 200 kg.
The acceleration of free fall on Mars is 3.7 m/s^2.
What is the weight of the vehicle on Mars?
527
581
557
A student writes about mass and weight. Which statement is correct?
570
565
559
A student carries out an experiment to determine the density of an irregularly shaped solid. The solid is placed on a balance and a reading is taken. The solid is then immersed in a liquid in a measuring cylinder.
Which values should be used in the calculation?
[Table_1: A table with value from measuring cylinder and value from balance]
565
505
529
A uniform rod rests on a pivot at its centre. The rod is not attached to the pivot. Forces are then applied to the rod in four different ways, as shown. The weight of the rod can be ignored. Which diagram shows the rod in equilibrium?
541
590
562
The diagram shows a beam balanced on a pivot. Two forces, X and Y, are acting on the beam. Which calculation gives the moment of the force Y about the pivot?
537
542
509
A mass bounces up and down on a steel spring. The diagram shows the mass and the spring at different points during the motion.
At which point is the least energy in the gravitational potential store of the mass and at which point is the most energy in the elastic store of the spring?
557
578
532
Electrical power is generated from different resources. Some of these resources are listed. - chemical energy stored in biofuels - chemical energy stored in fossil fuels - energy stored in tides - geothermal resources - hydroelectric resources - light from the Sun - nuclear fuel How many of the resources listed are classified as renewable?
536
591
526
A microwave oven is rated at 900 watts.
Which statement correctly describes the meaning of this value?
595
554
569
Why is it easier to push a sharp nail, rather than a blunt nail, into a piece of wood?
527
592
580
A sealed bottle of constant volume contains air. The air in the bottle is heated by the Sun. What is the effect on the average speed of the air particles in the bottle and the average distance between them? [Table_1]
538
513
533
Which graph shows the relationship between the pressure $p$ of a fixed mass of gas and its volume $V$ at a constant temperature?
586
504
534
What happens when a metal block is heated?
568
543
508
Which statement about the temperature of the solid describes what happens when a solid is melting?
538
543
579
A cupboard is placed in front of a heater. Air can move through a gap under the cupboard.
Which row describes the temperature and the direction of movement of the air in the gap?
514
541
587
Which statement about waves is correct?
562
546
562
The diagram shows a transverse wave. Which row identifies the amplitude and the wavelength of the wave? [Table_1]
589
532
503
A beam of light from the Sun strikes a prism.
The dispersed beam is incident on a white wall between X and Y.
Which colours are seen at X, Z and Y?
552
566
541
The diagram shows a ray of light incident on a plane mirror. The angle between the ray and the mirror is 35°. The ray is reflected by the mirror. What is the angle of reflection?
575
530
578
A thin converging lens in a camera produces a real image on a photo-sensitive surface, as shown.
At which position is the image of the top of the object formed?
522
580
542
The diagram shows the electromagnetic spectrum.\n[Image_1: Electromagnetic Spectrum from \gamma-rays, E, ultraviolet, F, infrared, microwaves, G]\nWhich types of wave are E, F and G?\n[Table_1: Table with columns E, F, G and rows A, B, C, D with different wave types]
504
587
543
A sound is produced and an echo is heard after the sound reflects off a wall. How do the properties of the echo compare to the original sound wave? [Table_1]
533
552
583
Which metal can be attracted by a magnet?
525
511
545
A student uses an ammeter to measure the current in a resistor. He considers three different circuits, as shown. In which of the circuits does the ammeter measure the current in the resistor?
566
508
544
Which substances both contain large concentrations of free electrons?
589
596
569
What is the unit of resistance?
549
555
562
A teacher wishes to show the production of electrostatic charges. She holds a rod and rubs it with a cotton cloth. A copper rod, a glass rod, a plastic rod and a steel rod are available. Which two rods would both be suitable to use?
600
596
517
Resistors of resistance 2.0\,\Omega and 3.0\,\Omega are connected in two different circuits. What is the total resistance in each circuit?
536
562
578
The current in an electrical heater is 5.0A.
The heater is connected to the mains by a flexible cable that can carry a current of up to 15A.
The mains circuit can carry a current of up to 30A.
Different fuses are available to protect the heater's cable.
Which fuse is the most suitable?
584
511
553
A generator uses the principle of electromagnetic induction. Which change would increase the induced electromotive force (e.m.f.) in the coil?
588
577
573
A current passes along a wire placed between the poles of a permanent magnet. The wire experiences a force due to the magnetic field. What will change the direction of this force?
537
526
562
What is a transformer used for?
562
517
527
What are the relative charges on a proton, a neutron and an electron? [Table_1]
545
546
554
The half-life of carbon-14 is 5700 years. An object containing carbon-14 has a count rate of 100 counts per minute when it is first formed. The graph shows how the count rate decreases over time. Which point on the graph corresponds to a time 11400 years after the formation of the object?
572
560
500
Which type of radioactive decay causes the nucleus of one element to change into the nucleus of another element? [Table_1]
513
527
504
A scientist needs to use a source of $\gamma$-rays as safely as possible. Which action will not reduce the total radiation that reaches the scientist?
534
550
543
Which time period is approximately equal to 24 hours?
550
570
577
The nearest star to the Sun is about four light-years away from the Earth. A student makes three statements about the star. 1. Light from the star takes about four years to reach the Earth. 2. Light from the Sun takes about four years to travel to the star and back to the Earth. 3. The star is outside our galaxy. Which statements are correct?
565
522
593
The table shows some elements and some regions of the electromagnetic spectrum.
Which row shows one of the most common elements in the Sun and one of the regions in which the Sun radiates most of its energy?
[Table_1]
565
584
569
