IGCSE Physics (0625) — October–November 2023, Paper 31
11 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Fig. 1.1 shows a distance–time graph for a cyclist. The x-axis shows time/s from 0 to 250 and the y-axis shows distance/m from 0 to 1200. The graph shows a straight line from the…
Answer this question and get it marked →The mass of a solid metal cylinder is 400 g and its volume is 52 cm³. Calculate the density of the metal. Include the unit.
Answer this question and get it marked →Fig. 3.1 represents the arrangement and separation of particles in a liquid. Each circle represents a particle (drawn close together but not in a regular pattern). In the box in…
Answer this question and get it marked →Fig. 4.1 represents a wave on the surface of water. It is a displacement–time graph: the y-axis shows displacement/cm from −20 to +20, the x-axis shows time/s from 0 to 4.0. The…
Answer this question and get it marked →Fig. 5.1 shows the main regions of the electromagnetic spectrum in order of increasing frequency: radio waves, [unlabelled], infrared, visible light, ultraviolet, [unlabelled],…
Answer this question and get it marked →Fig. 6.1 shows four wind turbines standing on the ground in the air. Describe how a wind turbine generates electrical power.
Answer this question and get it marked →Fig. 7.1 shows a ray diagram for an object positioned on the principal axis of a thin converging lens. F1 and F2 are the focal points of the lens and C is the centre of the…
Answer this question and get it marked →Fig. 8.1 shows a solenoid (long coil of wire) connected in a circuit. When the switch is closed, there is a large current in the circuit. Describe an experiment to identify the…
Answer this question and get it marked →A student investigates an electric circuit. Fig. 9.1 shows the student's circuit: a 6.0 V battery, a variable resistor, an ammeter (A) and a heater connected in series. Describe…
Answer this question and get it marked →A nucleus of an isotope of actinium contains 89 protons and 136 neutrons. The chemical symbol for actinium is Ac. Complete the nuclide notation for this isotope of actinium (write…
Answer this question and get it marked →Fig. 11.1 represents the Sun and part of the Solar System (not to scale). Mercury and Mars are labelled; three other bodies are unlabelled (one near Mercury, one near the Sun, and…
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