IGCSE Physics (0972) — October–November 2023, Paper 21
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Which is a vector quantity? A density B mass C pressure D weight
Answer this question and get it marked →The graph shows the speed of a car travelling through a town, with sections A, B, C and D. Section A rises, B is constant, C rises further, D falls. Which section of the graph…
Answer this question and get it marked →An object reaches terminal velocity after being dropped and falling through air. Which graph shows how its speed varies with time? (Speed rises with decreasing gradient to a…
Answer this question and get it marked →The table shows the mass and volume of three different liquids, X, Y and Z. liquid mass / g volume / cm³ --- --- --- X 120 200 Y 80 67 Z 100 120 The liquids are placed in the same…
Answer this question and get it marked →Which moving object has a resultant force acting on it? A a diver rising vertically through water at constant speed B an aircraft circling an airport at constant speed C a train…
Answer this question and get it marked →Forces are applied to four identical objects. The length of each arrow indicates the magnitude of the force. Which object is in equilibrium? A, B, C, D show different arrangements…
Answer this question and get it marked →A sphere X collides head on with a second identical sphere Y which is stationary. The mass of each sphere is 0.15 kg. Sphere X is travelling at a velocity of 2.0 m/s before the…
Answer this question and get it marked →A cyclist travels down a hill from rest at point X without pedalling. The cyclist applies his brakes and the cycle stops at point Y (lower than X). Which energy transfers have…
Answer this question and get it marked →An object of mass m falls from a higher shelf (height h1) to a lower shelf (height h2). How much gravitational potential energy does the object lose? A mgh2 B (m/g)h2 C (m/g)(h1 −…
Answer this question and get it marked →A pump does 460 000 J of work to raise water to fill a tank. It takes 7 minutes to fill the tank. What is the power of the pump? A 1.1 kW B 66 kW C 3200 kW D 190 000 kW
Answer this question and get it marked →The water in a swimming pool exerts a pressure at the bottom of the pool. Which graph shows the relationship between the pressure exerted by the water and the depth of water in…
Answer this question and get it marked →Why can a gas be compressed easily into a smaller volume? A The particles are far apart. B The particles do not attract each other. C The particles move randomly. D The volume of…
Answer this question and get it marked →A gas is contained in a cylinder by a movable piston. The gas is heated so that it expands at constant pressure. How is the force of each collision of a gas particle with the…
Answer this question and get it marked →On a warm day, a carton of fresh milk is covered with a wet cloth. Why does this help to reduce the temperature of the milk? A Some water evaporates from the cloth so the…
Answer this question and get it marked →A chef heats some water in a pan on a hotplate. The temperature of the water rises by 10 °C in time t. She then puts the same volume of oil in an identical pan on the same…
Answer this question and get it marked →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…
Answer this question and get it marked →Two men, P and Q, stand close to a gap in a wall, as shown. Man P cannot see man Q but man P can hear man Q speaking. Which statement explains this? A Light waves do not diffract…
Answer this question and get it marked →Which quantities relating to a wave on the surface of water can both be measured in metres? A amplitude and frequency B amplitude and wavelength C amplitude and wave speed D…
Answer this question and get it marked →The diagram shows part of a ray diagram that demonstrates the formation of a virtual image Y of object X by a converging lens. One ray of light from X is shown approaching the…
Answer this question and get it marked →A ray of light is reflected by a plane mirror. Four angles P, Q, R, S are marked around the incident and reflected rays and the mirror. Which row shows the angle of incidence and…
Answer this question and get it marked →A thin converging lens is used to produce a real image of an object. Which statement about the real image is always correct? A It is nearer to the lens than the object. B It is on…
Answer this question and get it marked →A radio transmitter broadcasts at a frequency of 200 kHz. What is the wavelength of these radio waves? A 6.7 × 10⁻⁴ m B 1.5 m C 1.5 × 10³ m D 1.5 × 10⁶ m
Answer this question and get it marked →The element mercury exists as a solid, a liquid or a gas. Which row gives a possible set of values of the speeds of sound through mercury? (Sound travels fastest in solids,…
Answer this question and get it marked →Which metal could be used for a permanent magnet and which metal could be used for the core of an electromagnet? A permanent magnet: iron; core: copper B permanent magnet: iron;…
Answer this question and get it marked →Which statement describes the direction of an electric field at a point? A the direction of the force on a negative charge B the direction of the force on an N pole C the…
Answer this question and get it marked →Which statement about a voltmeter is correct? A It has a scale which is marked in amperes (A). B It must be connected in series in a circuit. C It measures potential difference…
Answer this question and get it marked →A wire has a resistance of 8.0 Ω. A second wire of the same material has twice the length and twice the cross-sectional area. What is the resistance of the second wire? A 4.0 Ω B…
Answer this question and get it marked →A plastic rod is rubbed with a cloth. The rod becomes positively charged because of the movement of charged particles. Which row gives the name of these charged particles and the…
Answer this question and get it marked →An alternating (a.c.) supply is connected to a diode and a resistor in series. Which graph shows how the potential difference V across the resistor varies with time t? (A diode…
Answer this question and get it marked →The diagram shows a circuit used to switch on a heater when the temperature drops below a certain value. Components are to be connected at positions X and Y. Which row shows the…
Answer this question and get it marked →A current in a solenoid produces a uniform magnetic field inside the solenoid. The magnetic field direction is due east. Which changes will produce a stronger magnetic field with…
Answer this question and get it marked →A metal rod PQ rests on two horizontal metal wires attached to a battery. The rod lies between the poles of a magnet (N at top, S at bottom). When the switch is closed, the rod…
Answer this question and get it marked →A transformer in a computer is used to transform the mains voltage of 240 V to 12 V. The number of turns on the secondary coil is 2000. Which statement about the transformer is…
Answer this question and get it marked →In α-particle scattering, α-particles are incident on a thin metal foil. Which row describes results from the experiment and a conclusion that the results lead to? A results: most…
Answer this question and get it marked →α-particles, β-particles and γ-rays are emitted by radioactive nuclei when they decay. Which emissions can be deflected by an electric field? A α-particles, β-particles and γ-rays…
Answer this question and get it marked →Radioisotope X decays to the stable isotope Y. The graph shows how the mass of Y present in a sample varies with time, rising from 0 towards a maximum M. Times t1, t2, t3 are…
Answer this question and get it marked →Which particle is absorbed by a nucleus to cause nuclear fission? A a neutron B a proton C an α-particle D a β-particle
Answer this question and get it marked →It is summer in the northern hemisphere of the Earth in June. Which statement explains why? A The Earth is closer to the Sun in June. B The Earth spins on its axis in the opposite…
Answer this question and get it marked →Which statement about the Sun is correct? A The Sun is a dwarf star consisting mostly of hydrogen and oxygen. B The Sun is a giant star consisting mostly of helium and carbon…
Answer this question and get it marked →The table lists some information about some stars. name of star type of star temperature / °C --- --- --- Aldebaran red giant 3 700 Betelgeuse red supergiant 3 300 Geminga neutron…
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