No questions found
A measuring cylinder contains some water. A small metal block is slowly lowered into the water and is then removed. Finally a piece of plastic is attached to the metal block and the block is again slowly lowered into the water. The diagrams show the measuring cylinder at each stage of this process.
What is the volume of the piece of plastic?
527
554
554
A car accelerates from rest and travels a distance of 100 m in 10 seconds. Which speed-time graph represents the motion of this car?
564
501
509
The diagram is the speed-time graph for a bicycle journey.
When is the bicycle moving at a constant speed?
592
569
567
A spring is stretched by hanging a piece of metal from it.
Which name is given to the force that stretches the spring?
553
542
524
The graph shows how weight varies with mass on planet P and on planet Q.
An object weighs 400 N on planet P. The object is taken to planet Q. Which row is correct?
[Table_1]
500
585
552
What is needed to determine the density of a regularly shaped block?
555
597
518
A cart experiences a forward force of 500 N.
The cart also experiences a backward force of 200 N.
There are no other forward or backward forces on the cart.
What is the resultant force on the cart?
501
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586
The diagram shows a beam with a pivot, a load $P$ at one end and a load $Q$ at the other end.
The pivot can be moved left or right and the loads can be increased or decreased.
The weight of the beam can be ignored.
Which combination of pivot position and loads causes the beam to be in equilibrium? [Table_1]
588
550
558
The lamp in the diagram is not very stable and falls over easily.
Which row shows changes that would definitely make the lamp more stable?
518
538
586
A toy car without a motor is moving at high speed along a track. The toy car follows a vertical loop as shown. Which row describes the changes that are taking place in the kinetic energy and in the gravitational potential energy of the car in the position shown?
525
577
556
A student runs up a flight of stairs.
Which information is not needed to calculate the rate at which the student is doing work against gravity?
600
534
574
The diagram shows a simple mercury barometer.
Which length is used to find the value of atmospheric pressure?
536
598
540
A polystyrene cube of mass 5.0 kg is placed on a horizontal surface. The pressure due to the cube is 89 N/m².
What is the length of the sides of the cube?
508
537
519
A pollen grain in a beaker of still water is viewed through a microscope. Which diagram shows the most likely movement of the pollen grain?
589
553
599
The diagram shows an air-filled rubber toy. A child sits on the toy and its volume decreases. The temperature of the air in the toy does not change.
How does the air pressure in the toy change and why?
507
527
590
Which property cannot be used for the measurement of temperature?
583
553
571
The diagram shows an electric heater being used to heat a beaker of water and an identical beaker containing oil. Both are heated for one minute.
The temperature of the water and the temperature of the oil increase steadily. The increase in temperature of the oil is much greater than that of the water.
Why is this?
540
574
516
Why is the heating coil of a domestic immersion heater placed at the bottom of the tank?
520
543
597
A plane wave in a shallow tank of water of uniform depth is incident normally on the small gap in a barrier.
What happens after the wave passes through the gap?
543
572
525
The diagram represents plane wavefronts of a water wave about to strike a solid barrier.
Which diagram shows the position of the wavefronts after reflection at the barrier?
526
599
545
The diagram shows a ray of light in glass. The ray reaches a boundary with air. One weak ray of light is missing from the diagram.
Which statement is correct?
587
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575
Light enters a transparent block.
The light is refracted into the block and then strikes the top edge of the block at the critical angle.
Which diagram correctly shows the angle of refraction $r$ and the critical angle $c$?
594
564
537
Which statement about radio waves is correct?
510
594
504
Which types of thermal energy transfer are due to electromagnetic waves?
528
511
561
The speed of sound in air is 330 m/s.
The speed of ultraviolet waves in air is 300000000 m/s.
Which row gives a possible frequency and speed of an ultrasound wave in air?
[Table_1]
504
591
521
The diagram shows the Earth and its surroundings. Through which labelled region can sound not be transmitted?
504
563
589
A train of steel nails and a train of iron nails hang from a strong magnet.
The trains are then carefully removed from the magnet.
What happens to the trains?
595
597
534
The diagram shows an electromagnet.
Which material is part X made from?
537
538
595
In which unit is the electromotive force (e.m.f.) of a battery measured?
593
553
565
The diagram shows a circuit symbol for a component that can be used as an input transducer.
Which graph shows how the resistance of the component varies with its intended input variable?
563
527
508
Which statement is not correct for two identical lamps connected in parallel?
546
556
582
Only one of the ammeters in the circuit is showing an incorrect reading.
Which ammeter is showing the incorrect reading?
600
557
509
The diagram shows a circuit with a fixed resistor connected in series with a thermistor and an ammeter.
Which row shows how temperature change affects the resistance of the thermistor and the current in the circuit?
[Table_1]
582
510
561
An appliance is connected to a mains supply. Its circuit also contains a switch and a fuse. Which circuit shows the fuse in the correct position?
518
563
524
An electrical device requires a voltage of 5.0V to operate normally. The mains supply voltage is 250V.
Which row shows a transformer that provides output voltage that enables the device to operate normally when connected to the mains supply?
[Table]
| | number of turns on the primary coil | number of turns on the secondary coil |
| --- | --- | --- |
| A | 500 | 2500 |
| B | 500 | 25000 |
| C | 2500 | 500 |
| D | 25000 | 500 |
567
541
570
A straight current-carrying wire has a magnetic field around it.
Which diagram best shows the magnetic field pattern around the wire?
546
565
581
Which row states the charge on an electron and states whether electrons are located inside the nucleus of an atom? [Table_1]
521
507
585
The element sodium, symbol Na, has a proton number of 11.
Which is a possible symbol for a sodium nuclide?
560
574
522
A radioactive source emits three types of radiation R, S and T.
The diagram shows an experiment set up to study the penetrating properties of R, S and T.
[Image_1: Diagram of radiation passing through paper, aluminium, and lead]
Which types of radiation are R, S and T?
522
513
567
Radioactive iodine-131 emits $\beta$-particles and has a half-life of 8 days. It decays to produce xenon-131. Which statement about this decay is correct?
545
565
528
