IGCSE Physics (0625) — October–November 2024, Paper 23
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Which list contains only vector quantities? A acceleration, distance, speed B electric field strength, momentum, weight C energy, mass, temperature D force, time, velocity
Answer this question and get it marked →The graph shows how the velocity of an elevator varies with time. The elevator starts from the third floor of a tall building. Point P indicates the start of the elevator's…
Answer this question and get it marked →An object of mass 1.0 kg is at rest on the Earth. An identical object is at rest on a planet with a gravitational field strength of twice that on the Earth. Which row correctly…
Answer this question and get it marked →An engineer researched the density of different liquids being used as coolants. The table gives liquid and density/(kg/m³): X 785; Y 1020; Z 1250. None of the liquids mix with…
Answer this question and get it marked →The diagram shows a car moving along a road. The force due to the engine is 1500 N and the total drag force is 200 N. What is the motion of the car? A decreasing speed forward B…
Answer this question and get it marked →A pair of cutters is used to cut a rope. The diagram shows the blades pivoted near point R, with point P far out along a blade and point Q near the pivot; the handles extend to…
Answer this question and get it marked →An object has a mass of 20 kg. Its velocity changes from 6 m/s to 10 m/s. Which impulse has acted on the object? A 80 N s B 120 N s C 200 N s D 320 N s
Answer this question and get it marked →Useful energy is obtained from different energy resources. Four examples of energy resources are listed: water waves; geothermal; wind; water behind hydroelectric dams. How many…
Answer this question and get it marked →A box of mass 2.0 kg slides down a slope. The gravitational field strength is 9.8 N/kg. The box moves 13 m along the slope from P to Q, a horizontal distance of 12 m and a…
Answer this question and get it marked →The diagram shows the path of a long-jumper. Point R, where she lands, is on the same horizontal level as point P, from where she takes off. The long-jumper experiences air…
Answer this question and get it marked →Four tanks contain water to the depths shown: A 10 cm, B 9 cm, C 8 cm, D 7 cm (the tanks have different shapes). At the bottom of which tank is the pressure due to the water…
Answer this question and get it marked →A gas is heated in a sealed container. The volume of the container does not change. What happens to the particles of the gas? A The average distance between particles increases. B…
Answer this question and get it marked →Air in a sealed syringe is slowly compressed by moving the piston. The temperature of the air stays the same. Which statement about the air is correct? A The pressure of the air…
Answer this question and get it marked →Which statement about the evaporation of a liquid is correct? A The least energetic particles escape from the surface and the temperature of the liquid decreases. B The least…
Answer this question and get it marked →A solid is heated causing it to expand. Which effect does this have on its mass and on its density? A mass decreases; density decreases B mass decreases; density stays constant C…
Answer this question and get it marked →A glass test-tube containing water is heated at the top. The water at the top boils, but the water at the bottom remains cold. Which row explains why the water at the bottom of…
Answer this question and get it marked →A vertical stick is dipped up and down in water at P. In two seconds, three wave crests spread out on the surface of the water (concentric circles centred on P). Distance Y is…
Answer this question and get it marked →Seismic waves from the epicentre of an earthquake take 100 s to reach a point 300 km away. When they arrive, they cause the ground to vibrate with a frequency of 2.0 Hz. What is…
Answer this question and get it marked →Which diagram illustrates diffraction of water waves? A plane waves passing through a narrow gap between two barriers and spreading out as curved wavefronts B plane waves…
Answer this question and get it marked →A single ray of light is reflected by two mirrors. The diagram shows the ray of light incident on mirror 1; the angle between the incident ray and the normal to mirror 1 is 50°,…
Answer this question and get it marked →Which diagram shows the effect of a converging lens on a parallel beam of light? A the rays diverge after passing through the lens B the parallel rays converge to a focal point on…
Answer this question and get it marked →Which three regions of the electromagnetic spectrum are used in the applications listed? Applications: sterilising water; optical fibres; satellite television signals; mobile…
Answer this question and get it marked →A man stands 110 m from a high wall. He makes a short, sharp sound and then hears an echo from the wall. The speed of sound in air is 330 m/s. How long after making the sound does…
Answer this question and get it marked →The diagram shows the magnetic field of a bar magnet (S on the left, N on the right). A dotted path PRQ runs over the top of the magnet from P (just above the N pole) over R…
Answer this question and get it marked →The diagram shows a charged sphere and the direction of the electric field at point X due to the sphere (the field arrow at X points towards the sphere). An electron is placed at…
Answer this question and get it marked →A battery moves 3.0 C of charge round a complete circuit. The battery transfers 12 J of energy during this process. What is the electromotive force (e.m.f.) of the cell? A 0.25 V…
Answer this question and get it marked →A cylinder of conducting putty has length l, diameter d and resistance R. The putty is now moulded into a cylinder of diameter 2d that has the same volume. By which factor does…
Answer this question and get it marked →Which statement describes how a diode operates in an electrical circuit? A When the temperature increases, its resistance increases. B When the current becomes too high, it melts…
Answer this question and get it marked →A number of identical resistors of resistance 10 Ω are arranged in circuits. Which arrangement of resistors will give an overall resistance of 25 Ω? A one 10 Ω resistor in series…
Answer this question and get it marked →The circuit diagram shows a thermistor in a potential divider. Two voltmeters X and Y are connected in the circuit: X reads the p.d. across the upper fixed resistor, Y reads the…
Answer this question and get it marked →In an experiment, strong magnetic fields provide a force that keeps charged particles moving with a horizontal circular motion. Positive particles are accelerated clockwise when…
Answer this question and get it marked →When there is a current in a solenoid, a magnetic field is formed around it. How does the magnetic field change if the current is increased (spacing of field lines; strength of…
Answer this question and get it marked →The diagram shows the structure of a simple transformer with a primary coil and a secondary coil on a core. Which row shows the correct conditions for the efficiency of the…
Answer this question and get it marked →The products of the decay of a nucleus of a radioactive isotope are a nucleus and radiation which is emitted. What is the nature of the products? A a nucleus of an element…
Answer this question and get it marked →An atomic nucleus decays by one or more radioactive decay processes. What causes the proton number to decrease by 1? A α-decay followed by β-decay B α-decay only C β-decay…
Answer this question and get it marked →Which definition of half-life is not correct? A the time it takes for half a count from a radioactive sample to fall to half its original value B the time it takes for half of the…
Answer this question and get it marked →The diagram shows a system to control the thickness of paper produced by a machine. β-particles from a source pass through the paper to a β-particle detector; the rollers squeeze…
Answer this question and get it marked →The table gives the orbital durations of planets in the Solar System (planet; orbital duration/days): Mercury 88; Venus 225; Earth 365; Mars 4330(... see paper); Jupiter 4330;…
Answer this question and get it marked →Which reaction produces the energy that powers the Sun? A fission of hydrogen B fission of uranium C fusion of hydrogen D fusion of uranium
Answer this question and get it marked →The diameter of the Milky Way is approximately 100 000 light years. What is this distance in metres? A 9.5 × 10⁹ m B 9.5 × 10¹⁵ m C 9.5 × 10¹⁷ m D 9.5 × 10²⁰ m
Answer this question and get it marked →← October–November 2024 Paper 31 · October–November 2024 Paper 22 →