IGCSE Physics (0625) — October–November 2023, Paper 41
10 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →A girl holds a rubber ball out of a window of a tall building. The mass of the ball is 0.20 kg. The ball is at rest 10 m above a concrete path. Calculate the gravitational…
Answer this question and get it marked →A copper cooking pan contains water. Fig. 2.1 shows the pan on a hotplate of a cooker. Copper is a metal. Thermal energy is conducted through all solids by lattice vibrations.…
Answer this question and get it marked →Liquids are difficult to compress whereas gases can be compressed easily. Explain, in terms of particles, why it is difficult to compress liquids.
Answer this question and get it marked →A radio transmitter is a very tall, thin cylinder. It is prevented from falling over by wires which have one end fixed to the transmitter and the other end fixed in the ground a…
Answer this question and get it marked →Many methods of generating electrical power involve the use of water. Describe one method of generating electrical power from energy stored in water.
Answer this question and get it marked →A page of printed text is placed 18 cm from a converging lens of focal length 35 cm. Fig. 6.1 is a scale diagram of the arrangement with each of the two principal focuses (focal…
Answer this question and get it marked →A plastic rod is uncharged. When the rod is rubbed with a woollen cloth, the rod becomes negatively charged. Explain, in terms of particles, why the rod becomes negatively charged.
Answer this question and get it marked →A cylinder is made of modelling clay, which is an electrical conductor. Fig. 8.1 shows the cylinder (with a cross-sectional area and a length). The cylinder is connected into a…
Answer this question and get it marked →Many household smoke alarms contain a sample of the radioactive isotope americium-241 (Am). Americium-241 is the isotope of the element americium that has the nucleon number (mass…
Answer this question and get it marked →The Milky Way is one of many billions of galaxies. Each galaxy contains many billions of stable stars. Stable stars transfer energy into space by emitting electromagnetic…
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