IGCSE Physics (0972) — May–June 2024, Paper 21
39 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →In which row are quantities correctly categorised into scalar quantities and vector quantities? A scalars: mass and energy; vectors: weight and acceleration B scalars:…
Answer this question and get it marked →Which name is given to the quantity of matter in an object? A density B mass C volume D weight
Answer this question and get it marked →A body is moved from place X to place Y where the gravitational field strength is different. What happens to its mass and to its weight due to the move? A mass: changes; weight:…
Answer this question and get it marked →The mass of an object is 2.5 kg. The volume of the object is 480 cm³. What is the density of the object? A 5.2 × 10⁻³ g/cm³ B 5.2 g/cm³ C 190 g/cm³ D 1.2 × 10³ g/cm³
Answer this question and get it marked →Four objects each have two forces acting on them. Which object is in equilibrium? (Two equal and opposite forces acting along the same line.) A, B, C, D show objects with two 1.0…
Answer this question and get it marked →A ball of mass m falls vertically and hits a hard surface. Its speed on hitting the surface is v1. It rebounds vertically upwards with speed v2. What is the change in momentum of…
Answer this question and get it marked →A stone is dropped from a tall tower and falls a distance of 50 m to the ground. The stone has a mass of 3.0 kg. At which speed does the stone hit the ground? A 17 m/s B 31 m/s C…
Answer this question and get it marked →A coal-fired power station generates electricity. Coal is burned and the energy released is used to boil water. The steam from the water makes the generator move and this produces…
Answer this question and get it marked →A man puts some ice into a glass of water on a warm day. After a short time, he notices that the ice disappears and that water droplets appear on the outside of the glass. Which…
Answer this question and get it marked →Gas of volume 200 cm³ is trapped inside a container by a piston. The piston is pushed to the right and the volume of the gas decreases to 100 cm³. The temperature of the gas…
Answer this question and get it marked →Which graph shows the relationship between the pressure and volume of a fixed mass of gas at constant temperature? (Pressure inversely proportional to volume.) A, B, C, D show…
Answer this question and get it marked →During evaporation of a liquid, the most energetic particles escape. The temperature of the remaining liquid changes. Which row identifies where these particles escape from and…
Answer this question and get it marked →Wet clothes are put out on a line to allow the water in the clothes to evaporate. Which type of weather would cause the water to evaporate most quickly? A a cold day with no wind…
Answer this question and get it marked →A solar water heater is designed to absorb energy from sunlight. Which surface texture and colour would be best for the solar water heater? A dull black B shiny black C dull white…
Answer this question and get it marked →Which statement about waves is correct? A Waves do not transfer either energy or matter. B Waves transfer both energy and matter. C Waves transfer energy without transferring…
Answer this question and get it marked →The angle of incidence of a ray of light incident on a plane mirror is gradually increased. To the nearest degree, what is the maximum possible angle between the incident and…
Answer this question and get it marked →Which conditions are necessary for light to be totally internally reflected? A incident light is in the less dense medium; angle of incidence less than the critical angle B…
Answer this question and get it marked →The diagram shows a ray of light passing from air into a transparent substance. The angle of incidence in air is 40.0° and the angle of refraction in the substance is 30.0°. What…
Answer this question and get it marked →The diagram shows a ray of light in an optical fibre. Which statement correctly explains the condition for the maximum transmission of light by the optical fibre? A The glass must…
Answer this question and get it marked →Which region of the electromagnetic spectrum is used for detecting fake bank notes? A radio B microwaves C ultraviolet D X-rays
Answer this question and get it marked →A sound wave travels at 330 m/s. The distance between the centre of a compression and the centre of the nearest rarefaction in the sound wave is 2.5 cm. What is the frequency of…
Answer this question and get it marked →Which waves are used in the medical scanning of soft tissue? A gamma rays B infrared C microwaves D ultrasound
Answer this question and get it marked →Which row describes suitable materials for use in a temporary magnet and in a permanent magnet? A temporary: soft iron; permanent: soft iron B temporary: soft iron; permanent:…
Answer this question and get it marked →A magnetic field is represented in the diagram by magnetic field lines. Points A, B, C, D lie at different places among the lines. At which point is the magnetic field strongest?…
Answer this question and get it marked →A student determines the resistance of resistor R using a circuit including a voltmeter and an ammeter. (Voltmeter in parallel with R; ammeter in series.) Which circuit does she…
Answer this question and get it marked →A diode and a resistor are connected across a variable d.c. supply. Terminal X is initially positive and at a maximum value. The p.d. across XY is adjusted so that it changes, as…
Answer this question and get it marked →When a conductor in a complete circuit cuts across a magnetic field, a current is induced in the conductor. Which statement about the induced current is correct? A The induced…
Answer this question and get it marked →The diagram shows a solenoid carrying an electric current, with points X, Y and Z (X and Z inside near the ends, Y inside the middle). Which row compares the strength of the…
Answer this question and get it marked →A conducting wire is placed between the poles of a magnet (N on the left, S on the right). When an electric current in the wire is in the direction shown, the force on the wire…
Answer this question and get it marked →Which types of electric current are in the primary coil and the secondary coil of a step-up transformer? A primary: a.c.; secondary: a.c. B primary: a.c.; secondary: d.c. C…
Answer this question and get it marked →A scientist fires alpha-particles at a very thin sheet of gold and detects the particles that pass through. Which statement about the results of the scattering experiment is…
Answer this question and get it marked →The notation represents the nucleus of a gold atom: ¹⁹⁷₇₉Au. The relative charge on a proton is +1. What is the relative charge on the gold nucleus? A +79 B +118 C +197 D +276
Answer this question and get it marked →An isotope of hydrogen has the nuclide notation ²₁H. How many neutrons are in the nucleus of this isotope and what is the relative charge on the nucleus? A neutrons: 1; charge: +1…
Answer this question and get it marked →A radioactive source is placed near a detector. The radiation arriving is measured for 10 minutes with different materials placed between the source and the detector. material…
Answer this question and get it marked →The reading on a detector placed near a radioactive material is 536 counts per second. The background count rate is 44 counts per second. The half-life of the radioactive material…
Answer this question and get it marked →A planet in the Solar System is at the point in its orbit where it is closest to the Sun. Which row is correct? A orbital speed: at its maximum; gravitational potential store: at…
Answer this question and get it marked →What is the main process that powers the Sun? A burning of helium and oxygen B burning of hydrogen and oxygen C nuclear fusion of hydrogen to form helium D nuclear fission of…
Answer this question and get it marked →A galaxy is 3.0 × 10²⁰ km from the Earth. At which speed is the galaxy moving away from the Earth? (Using the Hubble constant H0 ≈ 2.2 × 10⁻¹⁸ /s.) A 660 km/s B 6600 km/s C 660…
Answer this question and get it marked →An astronomer observes a distant galaxy. The table shows how the distance and the speed of recession of the galaxy are determined. Which row is correct? A distance: brightness of…
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