AS & A Level Physics (9702) — February–March 2023, Paper 12
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →What represents a physical quantity? A 3.0 B kilogram C 7.0 N D 40%
Answer this question and get it marked →The relationship between the variables D and T is given by the equation 1/T = b/sqrt(D) + c, where b and c are constants. The unit of D is m^2 and the unit of T is s. What are the…
Answer this question and get it marked →A hollow cylinder, which is open at both ends, has a radius of (3.0 +/- 0.1) cm and a length of (15.0 +/- 0.1) cm. What is the value, with its absolute uncertainty, of the surface…
Answer this question and get it marked →A snooker ball of mass 0.20 kg has a collision so that its direction of movement changes by an angle of 90 degrees, as shown. Before the collision the ball moves horizontally to…
Answer this question and get it marked →A ball is kicked upwards at an angle of 45 degrees to horizontal ground. After a short flight, the ball returns to the ground. It may be assumed that air resistance is negligible.…
Answer this question and get it marked →The graph shows the variation with time t of the displacement s of an object. The displacement-time graph is a series of triangular pulses: s rises linearly from 0 to a maximum…
Answer this question and get it marked →Which expression defines force? A (mass x change in speed) x time taken B (mass x change in speed) / time taken C (change of momentum) x time taken D (change of momentum) / time…
Answer this question and get it marked →A ship of mass 8.4 x 10^7 kg is approaching a harbour with speed 16.4 m s^-1. By using reverse thrust it can maintain a constant total stopping force of 920 000 N. How long will…
Answer this question and get it marked →The velocity-time graphs of four different objects are shown. Which graph represents an object falling from rest through a long distance in the Earth's atmosphere? A velocity…
Answer this question and get it marked →Which statement about collisions is correct? A Kinetic energy is conserved in all collisions. B Momentum is only conserved in perfectly elastic collisions. C The relative speed of…
Answer this question and get it marked →A satellite uses two thrusters to adjust its motion in space. Each thruster exerts a force of 40 N on the satellite. The line of action of each force is a perpendicular distance…
Answer this question and get it marked →The diagrams show two ways of hanging the same picture. In both cases, a string is attached to the same points on the picture and looped symmetrically over a nail in a wall. The…
Answer this question and get it marked →An object shaped as a hemisphere rests with its flat surface on a table. The object has radius r and density rho. The volume of a sphere is (4/3) pi r^3. Which average pressure…
Answer this question and get it marked →A probe is used to monitor the quality of the water in the sea. The probe is suspended by a vertical string which is attached to a sphere. The stationary sphere floats in…
Answer this question and get it marked →What is the centre of gravity of an object? A the geometrical centre of the object B the point at which the weight of the object may be considered to act C the point on the object…
Answer this question and get it marked →A system with an efficiency of 74% wastes 230 W of power. What is the useful output power of the system? A 170 W B 310 W C 650 W D 880 W
Answer this question and get it marked →A projectile of mass 0.25 kg is at a height of 30 m above horizontal ground and travelling at a speed of 15 m s^-1. A short time later, it is at a height of 35 m above the…
Answer this question and get it marked →A spring has an unstretched length of 4.50 cm. The spring is fixed at one end and a force of 35.0 N is applied to the other end so that the spring extends. The spring obeys…
Answer this question and get it marked →A wire is fixed at one end and extended by a force that is applied to the other end. The force is slowly increased from zero and then slowly decreased back to zero. The…
Answer this question and get it marked →In a progressive water wave, two particles, P and Q, on the surface of the water, are a fixed horizontal distance apart. P and Q oscillate vertically. At time t = 0, the wave is…
Answer this question and get it marked →Which statement about longitudinal waves and transverse waves is not correct? A Both waves can be polarised. B Both waves can form stationary waves. C Both waves can transfer…
Answer this question and get it marked →An observer hears a sound wave emitted from a moving source. The observed frequency is less than the frequency of sound emitted from the source. What could be the reason for this?…
Answer this question and get it marked →What is the approximate range of frequencies of electromagnetic radiation visible to the human eye? A (430-750) kHz B (430-750) MHz C (430-750) GHz D (430-750) THz
Answer this question and get it marked →A beam of vertically polarised light is incident normally on a polarising filter. The filter can be rotated so that it is always in a plane perpendicular to the beam. The…
Answer this question and get it marked →A musical instrument is made using a long tube with a mouthpiece at one end. The other end is open and flared. A musician maintains stationary sound waves with a node at the…
Answer this question and get it marked →Two waves of equal frequency and amplitude are travelling in opposite directions along a stretched string. When they meet, they form a stationary wave with three nodes and two…
Answer this question and get it marked →A transmitting mast sends out microwaves of wavelength 1.5 cm and radio waves of wavelength 1.5 km. A receiving aerial behind a mountain can detect the radio waves but not the…
Answer this question and get it marked →Waves are emitted from two coherent sources. Which statement about the waves must be correct? A They are in phase. B They are transverse waves. C They have a constant phase…
Answer this question and get it marked →The diagram shows a screen that is a distance L from a diffraction grating. The grating has a total number of N lines. Any two adjacent lines are a distance d apart. A beam of…
Answer this question and get it marked →A wire carries a current of 0.10 uA. The potential difference across the wire is 10 mV. How much energy is dissipated by the wire in a time of 10 s? A 1.0 pJ B 10 pJ C 1.0 nJ D 10…
Answer this question and get it marked →What is the definition of the potential difference across an electrical component? A energy transferred per unit charge B energy transferred per unit current C energy transferred…
Answer this question and get it marked →Which graph represents the way the current I through a filament lamp varies with the potential difference V across it? A I increases with V with an increasing gradient. B I…
Answer this question and get it marked →The table shows the properties of two different wires, P and Q. Wire P has length l, resistance R and resistivity rho. Wire Q has length 2l, resistance R/4 and resistivity rho/3.…
Answer this question and get it marked →A cell has a constant electromotive force. A variable resistor is connected between the terminals of the cell. The resistance of the variable resistor is decreased. Which…
Answer this question and get it marked →Kirchhoff's two laws for electric circuits can be derived by using conservation laws. On which conservation laws do Kirchhoff's laws depend? Kirchhoff's first law Kirchhoff's…
Answer this question and get it marked →A battery of electromotive force (e.m.f.) 10 V and internal resistance r is connected to three resistors of resistances R, 2.0 ohm and 15 ohm, as shown. A current of 0.45 A is in…
Answer this question and get it marked →A battery of negligible internal resistance is connected in series with a thermistor and a fixed resistor of resistance 12.0 kohm, as shown (a potential divider). The table shows…
Answer this question and get it marked →What is a conclusion from the alpha-particle scattering experiment? A Protons and electrons have equal but opposite charges. B Protons have a much larger mass than electrons. C…
Answer this question and get it marked →Americium-241 is a radioactive nuclide used in smoke detectors. It undergoes alpha-decay to form nuclide X. This decay may be represented by the equation: 241/95 Am - A/Z X +…
Answer this question and get it marked →A top quark has a charge of +(2/3) e, where e is the elementary charge. What is the charge of an anti top quark? A -(2/3) e B -(1/3) e C +(1/3) e D +(2/3) e
Answer this question and get it marked →← February–March 2023 Paper 22 · October–November 2024 Paper 53 →