No questions found
Which option contains only apparatus that could be used to determine the volume of a small block of unknown material?
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533
The graph represents the motion of a car. [Graph with speed vs time]
What is the distance travelled by the car while it is moving at a constant speed?
552
581
588
A car travels along the route PQRST in 30 minutes.
What is the average speed of the car?
529
575
504
The mass of an object is measured on Earth. The mass is 5.0 kg.
The object is taken to the Moon. The mass of the object is measured on the Moon.
What is the mass of the object on the Moon?
539
533
571
A student wishes to determine the density of the solid block shown. Which quantities must be known?
536
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572
A heavy beam rests on two supports. The diagram shows the only three forces $F_1$, $F_2$ and $F_3$ acting on the beam. The beam is in equilibrium. Which statement is correct?
596
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519
Which list contains only properties of an object that can be changed by a force?
587
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558
What needs to be known to calculate the work done by a force acting on an object? [Table_1]
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536
Electrical energy may be obtained from nuclear fission.
In which order is the energy transferred in this process?
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538
The diagram shows a manometer containing a liquid. The manometer is used to find the difference between the pressure of a gas and atmospheric pressure.
Which distance represents this pressure difference?
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Four physics teachers investigate pressure. They wear identical clothes and lie on different beds of nails.
The table gives the weight of each teacher and the total area of contact between the teacher and the nails.
Which teacher experiences the least pressure from the nails?
[Table_1]
566
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567
A cylinder of constant volume contains a fixed mass of gas. The gas is cooled.
What happens to the pressure of the gas and what happens to the kinetic energy of the gas molecules?
531
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553
A swimmer feels cold after leaving warm water on a warm, windy day. Why does she feel cold even though the air is warm?
526
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500
A circular metal disc is heated.
Which quantity decreases?
592
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The same quantity of thermal (heat) energy is given to two objects X and Y. The temperature rise of object X is less than the temperature rise of object Y.
What accounts for this difference?
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537
The air in a room is heated by a heater. The diagram shows the circulation of the air in the room.
Which statement about the air that is heated is correct?
543
554
539
Four rods are made from different metals P, Q, R, and S. The rods have equal lengths and equal diameters. The rods are heated at one end, in the same way.
The table shows the time taken for the temperature at the other end of each rod to rise by 1.0°C.
[Table_1]
Which metal is the best conductor of thermal energy (heat)?
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542
The diagram shows a side view of a water wave at a particular time. The diagram is drawn full size.
Which statement about the wave is correct?
540
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580
The diagram shows a water wave approaching a barrier with a gap.
The wave reaches point P.
What is the name of the effect that causes the wave to reach point P?
563
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520
The diagram represents the electromagnetic spectrum.
Some regions have been labelled, and some labels are missing.
Which region should be labelled as infra-red waves?
540
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596
A student draws a diagram representing three rays of light from point P passing through a converging lens. Each point labelled F is a principal focus of the lens.
Which of the rays has the student drawn correctly?
500
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The diagram shows a ray of light inside a glass rod. The critical angle for the light in the glass is 42°.
Which row shows what happens to the light when it reaches the surface of the glass rod?
564
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514
Which row states whether light waves and whether sound waves can travel in a vacuum? [Table_1]
533
538
578
Sounds are produced by vibrating objects. A certain object vibrates but a person nearby cannot hear any sound.
Which statement could explain why nothing is heard?
518
521
590
Which row states whether each metal is ferrous or non-ferrous?
[Table_1]
507
548
597
Which procedure may be used to demagnetise a steel bar?
584
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599
Some resistors are made using one type of wire. Two different lengths of wire are available. Each length is available in two different diameters. Which wire has the highest resistance?
587
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592
Four students are each given an identical resistor and asked to find its resistance. They each measure the potential difference across the resistor and the current in it. One student makes a mistake. Which row shows the results of the student that makes a mistake? [Table_1]
528
530
508
What is the circuit symbol for a variable resistor?
526
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The diagram shows a circuit containing three ammeters P, Q and R.
Which statement about the readings on the ammeters is correct?
585
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530
The diagram shows a light-dependent resistor (LDR) connected in a potential divider circuit. The brightness of the light falling on the LDR is increased.
Which row shows what happens to the resistance of the LDR, and what happens to the reading on the voltmeter?
526
568
572
Four lamps are each labelled '60W 230V'.
In which circuit are the lamps connected so that they operate at normal brightness?
557
556
600
A step-up transformer is used before electricity is transmitted by overhead cables.
Which statement explains why the step-up transformer is used?
523
518
559
A current-carrying wire XY lies in the magnetic field between the two poles of a U-shaped electromagnet. A force acts on the wire XY because of the magnetic field.
Each of the following actions is carried out separately.
• The current in the wire XY is reversed.
• The magnetic field is reversed.
• Both the current in the wire XY and the magnetic field are reversed at the same time.
How many of these actions cause the direction of the force on the wire XY to be reversed?
574
518
592
A current-carrying coil in a magnetic field experiences a turning effect.
How can the turning effect be increased?
524
562
556
The diagram shows cathode rays entering an electric field between two charged plates.
How does the path of the cathode rays change and why?
549
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538
The nuclide symbol for radioactive polonium is $^{210}_{84}\text{Po}$.
A nucleus of this type of polonium emits an $\alpha$-particle.
What is the proton number (atomic number) of the nucleus after it has emitted the $\alpha$-particle?
500
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535
A student investigates how the radiation from a radioactive source changes with time.
The table shows the results from the detector used by the student.
[Table_1]
The experiment is repeated by many other students, who also measure the count rate every two minutes. The half-life of the source is known to be exactly 2.0 minutes. Why is the measured count rate always greater than half the previous value?
502
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509
The nuclide notation for radium-226 is $^{226}_{88}\text{Ra}$.
How many electrons orbit the nucleus of a neutral atom of radium-226?
549
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598
