IGCSE Physics (0625) — October–November 2023, Paper 23
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →How many of the quantities shown are scalars? mass momentum density energy A 1 B 2 C 3 D 4
Answer this question and get it marked →A train is on a straight track. The graph shows how a quantity y varies with time. y 0 time Which statements can be true? 1 The train is stationary and y represents the distance…
Answer this question and get it marked →The diagram shows a speed–time graph for a moving object. speed 0 time Which description of the object’s motion is correct? A decreasing acceleration B decreasing speed C constant…
Answer this question and get it marked →The mass of air hitting the blades of a wind turbine each second is 1.5 × 104 kg. The speed of the air is 4.0 m / s. The density of air is 1.2 kg / m3. Which row gives the volume…
Answer this question and get it marked →An object moves in a circle at constant speed. Which statement about the force needed on the object is correct? A A force away from the centre of the circle keeps the object…
Answer this question and get it marked →A uniform rod rests on a pivot at its centre. The rod is not attached to the pivot. Forces are then applied to the rod in four different ways, as shown. The weight of the rod can…
Answer this question and get it marked →A car of mass 1200 kg is travelling along a straight horizontal road. Which impulse is needed to accelerate the car from 5.0 m / s to 10 m / s? A 6000 N s B 12 000 N s C 15 000 N…
Answer this question and get it marked →A mass bounces up and down on a steel spring. The diagram shows the mass and the spring at different points during the motion. highest mass mass point moving moving down up lowest…
Answer this question and get it marked →A boy uses a rope to pull an object of mass m up a slope. The rope is parallel to the slope. The tension in the rope is constant and of value F. The object moves a distance d…
Answer this question and get it marked →A microwave oven is rated at 900 watts. Which statement correctly describes the meaning of this value? A 900 joules are transferred every second. B 900 amperes are transferred…
Answer this question and get it marked →An object is immersed in a liquid of density ρ. The pressure at this depth due to the liquid is p. The gravitational field strength is g. What is the equation for the depth h of…
Answer this question and get it marked →A sealed bottle of constant volume contains air. The air in the bottle is heated by the Sun. What is the effect on the average speed of the air particles in the bottle and the…
Answer this question and get it marked →In an experiment to investigate the relationship between the volume of a sample of air and its pressure, the volume of the sample is decreased and its pressure is measured…
Answer this question and get it marked →A student splashes water on to her face. Here are three statements about the effects. P The water uses energy to evaporate. Q The water gains energy from the student. R The face…
Answer this question and get it marked →Four containers each contain water. More water at the same temperature is added to each container. From which container does water now evaporate more slowly than it did before? A…
Answer this question and get it marked →A cupboard is placed in front of a heater. Air can move through a gap under the cupboard. wall cupboard heater air moves through gap floor Which row describes the temperature and…
Answer this question and get it marked →Light diffracts when it enters a telescope. This causes the image to blur slightly. The amount of diffraction depends on the diameter of the hole through which the light enters…
Answer this question and get it marked →The diagram shows a transverse wave. S P R Q Which row identifies the amplitude and the wavelength of the wave? amplitude wavelength A P R B P S C Q R D Q S
Answer this question and get it marked →The diagram shows the effect of a prism on white light. Some light is reflected on striking the prism and some is refracted and dispersed to form a spectrum. reflected light white…
Answer this question and get it marked →The diagram shows a ray of light incident on a plane mirror. mirror 35q The angle between the ray and the mirror is 35°. The ray is reflected by the mirror. What is the angle of…
Answer this question and get it marked →A thin converging lens in a camera produces a real image on a photo-sensitive surface, as shown. At which position is the image of the top of the object formed? thin converging…
Answer this question and get it marked →Light is travelling through air. It strikes a glass block at an angle of incidence of 45°. The glass has a refractive index of 1.4. What is the angle of refraction of the light as…
Answer this question and get it marked →Which row gives approximate values for the speed of sound in copper, water and air? speed of sound in copper speed of sound in water speed of sound in air m/s m/s m/s A 4500 1500…
Answer this question and get it marked →Which metal can be attracted by a magnet? A zinc B lead C iron D copper
Answer this question and get it marked →The diagram shows an electric circuit. A In which direction do free electrons flow around this circuit and what quantity does the ammeter measure? quantity measured direction of…
Answer this question and get it marked →Which substances both contain large concentrations of free electrons? A aluminium and glass B copper and water C copper and nylon D silver and gold
Answer this question and get it marked →A resistance wire of length L melts and has to be replaced with a wire of the same material and the same resistance. The only wire available has twice the diameter of the broken…
Answer this question and get it marked →A teacher wishes to show the production of electrostatic charges. She holds a rod and rubs it with a cotton cloth. A copper rod, a glass rod, a plastic rod and a steel rod are…
Answer this question and get it marked →Two resistors, with resistances R1 and R2, are used as a potential divider. R1 V1 R2 V2 What is the relationship between R1, R2 and potential differences V1 and V2? A R1 × R2 = V1…
Answer this question and get it marked →The diagram shows a light-dependent resistor (LDR) connected in a potential divider circuit. V The brightness of the light falling on the LDR is increased. Which row shows what…
Answer this question and get it marked →A simple a.c. generator has a coil rotating in a magnetic field. What happens to the peak electromotive force (e.m.f.) and to the frequency of the a.c. output when the coil is…
Answer this question and get it marked →A current passes along a wire placed between the poles of a permanent magnet. The wire experiences a force due to the magnetic field. N S What will change the direction of this…
Answer this question and get it marked →What is a transformer used for? A changing a direct current into an alternating current B changing the magnitude of an alternating voltage C reducing the frequency of an…
Answer this question and get it marked →The scattering of α-particles by a thin gold foil provides evidence for the nuclear model of the atom. Two α-particles of the same energy are incident on a nucleus of gold. Which…
Answer this question and get it marked →The half-life of carbon-14 is 5700 years. An object containing carbon-14 has a count rate of 100 counts / minute when it is first formed. The graph shows how the count rate…
Answer this question and get it marked →Why are beta-particles deflected more strongly than alpha-particles when they enter an electric field? A Beta-particles have less mass than alpha-particles. B Beta-particles are…
Answer this question and get it marked →Which statement describes how nuclear energy is released by fission in a nuclear power station? A Atoms join together to make molecules. B Heavy nuclei split into lighter nuclei.…
Answer this question and get it marked →The diagram shows a star S and the initial arrangement of three planets, X, Y and Z. Z NOT TO Y SCALE X clockwise S Each planet orbits clockwise in a circle about S. The time for…
Answer this question and get it marked →The nearest star to the Sun is about four light-years away from the Earth. A student makes three statements about the star. 1 Light from the star takes about four years to reach…
Answer this question and get it marked →A planet orbits the Sun with orbital period T. The average radius of the orbit is r. What is the average orbital speed of the planet? 2πr T πr A 2πrT B C D T 2πr 2T BLANK PAGE…
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