IGCSE Physics (0625) — May–June 2023, Paper 21
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Which vector diagram correctly shows the force Z as the resultant of forces X and Y? A B C D Y Y Z Z X X X X Z Z Y Y
Answer this question and get it marked →An object falls towards the surface of the Earth. The object is falling at its terminal velocity. Which statement is correct? A There is air resistance and the acceleration of the…
Answer this question and get it marked →The graph represents the motion of a vehicle. speed m/s 0 400 time / s What is the distance travelled by the vehicle in 400 s? A 20 m B 400 m C 4000 m D 8000 m
Answer this question and get it marked →On the Earth, a spring stretches by 5.0 cm when a mass of 3.0 kg is suspended from one end. The gravitational field strength on the Moon is of that on the Earth. Which mass, on…
Answer this question and get it marked →A shopkeeper pours rice into a dish that hangs from a spring balance. He records the reading. 0 1 spring balance 5 2 4 3 rice dish A customer buys some pasta. The shopkeeper…
Answer this question and get it marked →A student determines the density of an irregularly shaped stone. The stone is slowly lowered into a measuring cylinder partly filled with water. measuring cylinder stone Which…
Answer this question and get it marked →A train is travelling horizontally in a straight line. A book is on a table in the train. The diagram shows all the forces acting on the book. contact force book frictional force…
Answer this question and get it marked →The diagrams show four beams, each of negligible weight and freely pivoted. Which beam is not in equilibrium? A B 2.0 m 1.0 m 2.0 m 2.0 m 3.0 N pivot 6.0 N 6.0 N pivot 6.0 N C D…
Answer this question and get it marked →An object of mass 1.2 kg is moving with a velocity of 2.0 m / s when it is acted on by a force of 4.0 N. The velocity of the object increases to 5.0 m / s in the same direction.…
Answer this question and get it marked →Which row about the change of energy in the energy store must be correct? change of process energy store energy in store A water pumped up to a gravitational potential increases…
Answer this question and get it marked →A woman of mass 50 kg has 81 J of kinetic energy. What is her speed? A 1.3 m / s B 1.6 m / s C 1.8 m / s D 3.2 m / s
Answer this question and get it marked →A child runs up a set of stairs four times. The time taken for each run is recorded. Which time is measured when the child’s useful power is greatest? A 10 s B 20 s C 30 s D 40 s
Answer this question and get it marked →A dam holds water in a reservoir. The height of the water in the reservoir is 15 m. dam water in 15 m reservoir The density of water is 1000 kg / m3. What is the pressure due to…
Answer this question and get it marked →A student uses a microscope to observe pollen moving on the surface of water. Which statement describes the reason for this movement? A Water molecules are moved by microscopic…
Answer this question and get it marked →Which statements about evaporation of water are correct? 1 Evaporation causes the remaining liquid to cool. 2 During evaporation, the more energetic particles escape from the…
Answer this question and get it marked →Some hot water is sealed inside a metal can. The can is in a vacuum in outer space. The hot water slowly cools down. How does the thermal energy escape into space? A by conduction…
Answer this question and get it marked →The diagrams show graphs of displacement against time for four waves. All the graphs are drawn to the same scale. Which wave has the largest amplitude and the highest frequency? A…
Answer this question and get it marked →The diagram shows a ray of light entering a glass block. air glass 25q 50q Which calculation gives the refractive index of the glass? sin 40 sin 40 sin 50 sin 50 A B C D sin…
Answer this question and get it marked →An object O is placed at point P near to a thin converging lens. The diagram shows three rays from the top of O passing through the lens. Each point F is one focal length from the…
Answer this question and get it marked →Which diagram shows the dispersion of white light by a glass prism? A B red red red white white violet violet violet C D red red red red white violet violet white violet violet
Answer this question and get it marked →Visible light has wavelengths in the range 4.0 10–7 m to 7.0 10–7 m. What is the range of the frequencies of visible light? A 0.12 Hz to 0.21 Hz B 120 Hz to 210 Hz C 4.3 …
Answer this question and get it marked →Student X fires a starting pistol which produces smoke and sound. Student Y is standing 100 m away and sees the smoke the instant it is produced. The speed of sound in air is 340…
Answer this question and get it marked →An unmagnetised piece of soft iron is placed close to a strong permanent magnet, as shown. S N X permanent soft iron magnet What is the induced polarity of end X of the soft iron…
Answer this question and get it marked →A plastic rod is rubbed with a cloth. plastic rod cloth The rod and the cloth both become charged as electrons move between them. The rod becomes negatively charged. Which diagram…
Answer this question and get it marked →A wire has a uniform circular cross-sectional area. Which statement is correct? A The resistance of the wire is directly proportional to its cross-sectional area and inversely…
Answer this question and get it marked →The diagram shows the current–voltage graph for a metal wire. current 0 voltage What can be deduced from the graph? A As voltage increases, the temperature of the wire increases.…
Answer this question and get it marked →A battery is connected to a circuit. It is switched on for 1.0 minute. During that time, there is a current of 0.40 A in the circuit and the battery supplies a total of 48 J of…
Answer this question and get it marked →The circuit diagram shows two identical lamps connected in parallel to a cell. Three ammeters, X, Y and Z, are also connected in the circuit, as shown. X A Y A Z A Which statement…
Answer this question and get it marked →A student connects the circuit shown. bell 2 Which switches must be closed for the bell to ring without lighting the lamp? A 1 and 2 only B 1 and 3 only C 1, 3 and 4 D 2, 3 and 4
Answer this question and get it marked →The diagram shows an a.c. generator. N S Y V X The graph shows the potential difference (p.d.) between points X and Y plotted against time. A positive value of p.d. indicates that…
Answer this question and get it marked →An electron moves into a uniform magnetic field. The arrow shows the initial direction of motion of the electron. The direction of the magnetic field is into the plane of the…
Answer this question and get it marked →Which statement about a transformer is correct? A There is an alternating current in the iron core from the primary coil to the secondary coil. B An alternating current in the…
Answer this question and get it marked →How are positive and negative ions formed from atoms? positive ion negative ion A add positive charge to the nucleus add an electron to the atom B add positive charge to the…
Answer this question and get it marked →A nucleus of element X is represented as 56 X. Which is an isotope of element X? A 26 X B 54 X C 56 X D 54 X 56 26 24 28
Answer this question and get it marked →A radioactive source is placed near a detector connected to a counter. 210 counts are recorded by the counter in 3 minutes. The background count rate is 20 counts per minute…
Answer this question and get it marked →The background count rate measured by a radiation counter is 40 counts per minute (cpm). With the counter close to a radioactive source, the counter reading is 960 cpm. The…
Answer this question and get it marked →Which planet in our Solar System is nearest to the Sun and what is the nature of the planet? planet nature A Mercury rocky B Mercury gaseous C Venus rocky D Venus gaseous
Answer this question and get it marked →A space station orbits the Earth at a distance of 7000 km from the Earth’s centre. It makes 15 orbits in every 24-hour period. What is the speed of the space station in its orbit?…
Answer this question and get it marked →Which nuclear reaction powers a stable star? A nuclear fission of nuclei producing hydrogen B nuclear fission of a uranium nucleus into a krypton nucleus and a barium nucleus C…
Answer this question and get it marked →Which stages in the life cycle of a star are listed in the order that they occur? A interstellar dust cloud stable star protostar B protostar red giant stable star C red…
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