No questions found
A pendulum is set in motion and timed. The time measured for 20 complete swings is 30 s.
What is the time for one complete swing of the pendulum?
562
577
585
A girl goes for a ride on her bicycle. The diagram shows how her speed changes with time for part of her journey. In which labelled section is she moving with constant speed?
577
554
589
A boy runs 400 m at an average speed of 4.0 m/s.
He runs the first 200 m in 40 s.
How long does he take to run the second 200 m?
561
595
532
The acceleration of free fall on Mars is $3.7 \text{ m/s}^2$.
What is the weight of a 100 g mass on Mars?
508
536
562
A student carries out experiments to find the mass and the volume of four samples of rock. The graph shows the results. Which pair are samples of the same type of rock?
500
541
578
Four objects each have two forces acting on them. Which object is in equilibrium?
587
550
512
A car moves along a level road. The diagram shows all of the horizontal forces acting on the car.
Which statement is correct?
511
585
587
The diagram shows an aluminium sheet of constant thickness.
Four significant points on the aluminium sheet are labelled P, Q, R and S.
How can the centre of mass be found?
545
541
556
Which device is designed to convert chemical energy into kinetic energy?
514
500
594
A weight hangs from a rope.
In which case does the force do the most work on the weight?
596
517
527
Diagram 1 shows a conical flask containing water.
Diagram 2 shows a beaker with the same base area as the flask and containing water of the same depth $d$.
Which statement is correct?
529
588
525
A manometer is used to measure the pressure of a gas supply.
Which change gives a greater value of height $h$?
542
509
553
Liquid in a dish evaporates. This causes the temperature of the remaining liquid to change.
Which row is correct?
[Table_1]
578
529
595
Diagram 1 shows apparatus being used to observe smoke particles.
Diagram 2 shows how a smoke particle moves randomly.
Why do the smoke particles move randomly?
525
548
581
Which row shows the relative order of thermal expansion of solids, liquids, and gases?
[Table_1]
592
536
561
Steam at 100$^\circ$C condenses to form water at 100$^\circ$C.
What happens to the average separation and what happens to the average speed of the water molecules?
569
528
506
Some of the Sun’s radiation passes through a prism. The diagram shows the spectrum of the radiation.
Which point on the screen does the infra-red radiation reach?
518
582
561
One end of a shiny metal rod is heated and the other end quickly gets hot.
Which statement describes why the other end quickly gets hot?
544
532
566
Plane water waves travel from a shallow region into a deeper region. They travel more quickly in the deeper water.
Which diagram shows the wave pattern in the deeper water?
559
502
567
A plane mirror is fixed so that it is at an angle of 45° to a table. A ray of light, initially parallel to the table, is incident on the mirror.
Which angle does the reflected ray make with the table?
502
587
505
An object is placed 20 cm in front of a thin converging lens. The scale drawing shows how the lens forms a real, inverted image. Which row gives the focal length of the lens and the distance of the image from the lens? [Table_1]
557
512
509
Different parts of the electromagnetic spectrum are used for different purposes. Below are four statements about parts of the spectrum.
statement 1: Infra-red waves are used in television remote controllers.
statement 2: Radio waves are used to transmit television pictures from satellites to Earth.
statement 3: Ultraviolet waves are used for intruder alarms.
statement 4: X-rays are used for security checks.
Which statements are correct?
549
509
537
Which row gives the nature of sound waves and the name of the effect that causes an echo of a sound?
[Table_1]
600
586
516
Which diagram shows the pattern and the direction of the magnetic field lines around a bar magnet?
579
571
518
The diagram shows part of a circuit which contains an ammeter, a voltmeter and a resistor R. The ammeter and the voltmeter are in the correct positions to determine the resistance of R.
Which expression gives the value of R?
517
584
552
A negatively charged plastic rod P is placed above a positively charged plastic rod Q.
What are the directions of the electrostatic forces on rod P and on rod Q?
[Table_1]
586
538
556
Which row shows the meaning of the quantity e.m.f. and the unit in which it is measured?
[Table_1]
538
599
508
Diagram 1 shows a voltmeter that is not connected to anything. It shows a small reading, called a zero error, because it is not correctly adjusted. Diagram 2 shows the same meter used to measure the p.d. across a resistor in a circuit.
[Image_1: Diagrams of voltmeter]
What is the p.d. across the resistor?
577
550
528
The diagram shows a potential divider used to control the brightness of a lamp. What happens as the slider on the potential divider is moved to the right?
519
537
547
The diagram shows three identical resistors connected to a battery.
Which row gives the possible readings on the three ammeters?
577
530
552
A 4\( \Omega \) resistor and a 2\( \Omega \) resistor are connected to a 12V battery in a circuit.
What is the current in the 2\( \Omega \) resistor?
558
525
585
Either a fuse or a circuit-breaker can be used to protect electrical cables from large currents that could cause overheating.
When a fuse is used, where should it be connected, and when a circuit-breaker is used, where should it be connected?
587
541
534
There is an electric current in a wire. The wire is placed in a magnetic field. A force acts on the wire due to the current. Which statement is correct?
594
535
586
Which diagram shows the pattern and direction of the magnetic field due to a current in a straight wire?
545
551
553
Which diagram represents the structure of a neutral atom?
547
554
569
What is a carbon nucleus, $^{12}_{6}C$, composed of?
516
515
509
The diagram shows the paths of three different types of radiation X, Y and Z.
Which row correctly identifies X, Y and Z?
583
562
592
The count rate due to a sample of a radioactive isotope is measured for 80 minutes.
[Table_1: time in minutes and count rate in counts/second]
What is the half-life of the isotope?
508
585
587
