Salam Academy
Past papersCambridge 9702

9702 AS & A Level Physics: past papers

604 papers from 2008 to 2025, with 101 questions sorted by syllabus topic.

Physical quantities and units Paper 2 · 7 questions

SI units, prefixes and estimates5
  1. 9702/22 · Oct/Nov 2025Question 111 marks

    Units, scalars and vectors, upthrust on a balloon, and combining percentage uncertainties.

  2. 9702/22 · Oct/Nov 2024Question 17 marks

    Vectors, SI base units from a drag formula, and forces at terminal velocity.

  3. 9702/22 · May/June 2024Question 110 marks

    SI base quantities, intensity, percentage uncertainty and efficiency.

  4. 9702/22 · Oct/Nov 2023Question 19 marks

    SI base quantities, uniform acceleration and a velocity–time graph.

  5. 9702/22 · May/June 2023Question 16 marks

    Pressure, SI base units of a constant, and percentage uncertainty.

Revise the lesson: SI units, prefixes and estimates
Errors and uncertainties3
  1. 9702/22 · Oct/Nov 2025Question 111 marks

    Units, scalars and vectors, upthrust on a balloon, and combining percentage uncertainties.

  2. 9702/22 · May/June 2024Question 110 marks

    SI base quantities, intensity, percentage uncertainty and efficiency.

  3. 9702/22 · May/June 2023Question 16 marks

    Pressure, SI base units of a constant, and percentage uncertainty.

Revise the lesson: Errors and uncertainties
Scalars and vectors4
  1. 9702/22 · Oct/Nov 2025Question 111 marks

    Units, scalars and vectors, upthrust on a balloon, and combining percentage uncertainties.

  2. 9702/22 · May/June 2025Question 110 marks

    Vectors and scalars, kinetic energy from work done, and power at constant speed.

  3. 9702/22 · May/June 2025Question 28 marks

    Moments on a supported tree, a triangle of forces and pressure on an area.

  4. 9702/22 · Oct/Nov 2024Question 17 marks

    Vectors, SI base units from a drag formula, and forces at terminal velocity.

Revise the lesson: Scalars and vectors

Kinematics Paper 2 · 5 questions

Equations of motion and graphs4
  1. 9702/22 · Oct/Nov 2025Question 212 marks

    Moments and couples from thrusters, a speed–time sketch, and momentum when an object splits.

  2. 9702/22 · Oct/Nov 2024Question 210 marks

    Momentum, average force from impulse, uniform acceleration and kinetic energy.

  3. 9702/22 · May/June 2024Question 210 marks

    Velocity–time graph, terminal velocity, acceleration and change in momentum.

  4. 9702/22 · Oct/Nov 2023Question 19 marks

    SI base quantities, uniform acceleration and a velocity–time graph.

Revise the lesson: Equations of motion and graphs
Projectile motion1
  1. 9702/22 · May/June 2023Question 212 marks

    Centre of gravity and moments, then energy and projectile motion.

Revise the lesson: Projectile motion

Dynamics Paper 2 · 8 questions

Newton's laws and momentum5
  1. 9702/22 · May/June 2025Question 48 marks

    Is a bounce elastic? Change in momentum, average force and the ratio of heights.

  2. 9702/22 · Oct/Nov 2024Question 210 marks

    Momentum, average force from impulse, uniform acceleration and kinetic energy.

  3. 9702/22 · May/June 2024Question 210 marks

    Velocity–time graph, terminal velocity, acceleration and change in momentum.

  4. 9702/22 · Oct/Nov 2023Question 28 marks

    Upthrust, density, Newton’s second law and terminal velocity.

  5. 9702/22 · May/June 2023Question 310 marks

    Force as rate of change of momentum, resistive forces, work and power.

Revise the lesson: Newton's laws and momentum
Conservation of momentum and collisions4
  1. 9702/22 · Oct/Nov 2025Question 212 marks

    Moments and couples from thrusters, a speed–time sketch, and momentum when an object splits.

  2. 9702/22 · May/June 2025Question 48 marks

    Is a bounce elastic? Change in momentum, average force and the ratio of heights.

  3. 9702/22 · Oct/Nov 2024Question 611 marks

    Alpha and beta particles, alpha decay, and momentum in a decay.

  4. 9702/22 · Oct/Nov 2023Question 46 marks

    Momentum in two-dimensional collisions and elastic collisions.

Revise the lesson: Conservation of momentum and collisions

Forces, density and pressure Paper 2 · 9 questions

Moments, couples and equilibrium6
  1. 9702/22 · Oct/Nov 2025Question 212 marks

    Moments and couples from thrusters, a speed–time sketch, and momentum when an object splits.

  2. 9702/22 · Oct/Nov 2025Question 39 marks

    Equilibrium of a pulley, Hooke's law, and elastic energy for springs in series and parallel.

  3. 9702/22 · May/June 2025Question 28 marks

    Moments on a supported tree, a triangle of forces and pressure on an area.

  4. 9702/22 · Oct/Nov 2024Question 312 marks

    Stress–strain graphs, the Young modulus, and moments in equilibrium.

  5. 9702/22 · May/June 2024Question 411 marks

    Spring energy, gravitational potential energy on a ramp, and moments on a trapdoor.

  6. 9702/22 · May/June 2023Question 212 marks

    Centre of gravity and moments, then energy and projectile motion.

Revise the lesson: Moments, couples and equilibrium
Density, pressure and upthrust4
  1. 9702/22 · Oct/Nov 2025Question 111 marks

    Units, scalars and vectors, upthrust on a balloon, and combining percentage uncertainties.

  2. 9702/22 · May/June 2025Question 28 marks

    Moments on a supported tree, a triangle of forces and pressure on an area.

  3. 9702/22 · Oct/Nov 2024Question 17 marks

    Vectors, SI base units from a drag formula, and forces at terminal velocity.

  4. 9702/22 · Oct/Nov 2023Question 28 marks

    Upthrust, density, Newton’s second law and terminal velocity.

Revise the lesson: Density, pressure and upthrust

Work, energy and power Paper 2 · 7 questions

Work, power and efficiency3
  1. 9702/22 · May/June 2025Question 110 marks

    Vectors and scalars, kinetic energy from work done, and power at constant speed.

  2. 9702/22 · May/June 2024Question 110 marks

    SI base quantities, intensity, percentage uncertainty and efficiency.

  3. 9702/22 · May/June 2023Question 310 marks

    Force as rate of change of momentum, resistive forces, work and power.

Revise the lesson: Work, power and efficiency
Kinetic and potential energy5
  1. 9702/22 · May/June 2025Question 110 marks

    Vectors and scalars, kinetic energy from work done, and power at constant speed.

  2. 9702/22 · Oct/Nov 2024Question 210 marks

    Momentum, average force from impulse, uniform acceleration and kinetic energy.

  3. 9702/22 · May/June 2024Question 411 marks

    Spring energy, gravitational potential energy on a ramp, and moments on a trapdoor.

  4. 9702/22 · Oct/Nov 2023Question 310 marks

    Hooke’s law, elastic, kinetic and gravitational potential energy.

  5. 9702/22 · May/June 2023Question 212 marks

    Centre of gravity and moments, then energy and projectile motion.

Revise the lesson: Kinetic and potential energy

Deformation of solids Paper 2 · 7 questions

Stress, strain and the Young modulus3
  1. 9702/22 · May/June 2025Question 57 marks

    Young modulus, the area of a wire from a force–extension graph, and work done stretching it.

  2. 9702/22 · Oct/Nov 2024Question 312 marks

    Stress–strain graphs, the Young modulus, and moments in equilibrium.

  3. 9702/22 · May/June 2024Question 311 marks

    Charge, power, resistivity and the Young modulus of a wire.

Revise the lesson: Stress, strain and the Young modulus
Elastic and plastic behaviour6
  1. 9702/22 · Oct/Nov 2025Question 39 marks

    Equilibrium of a pulley, Hooke's law, and elastic energy for springs in series and parallel.

  2. 9702/22 · May/June 2025Question 57 marks

    Young modulus, the area of a wire from a force–extension graph, and work done stretching it.

  3. 9702/22 · Oct/Nov 2024Question 312 marks

    Stress–strain graphs, the Young modulus, and moments in equilibrium.

  4. 9702/22 · May/June 2024Question 411 marks

    Spring energy, gravitational potential energy on a ramp, and moments on a trapdoor.

  5. 9702/22 · Oct/Nov 2023Question 310 marks

    Hooke’s law, elastic, kinetic and gravitational potential energy.

  6. 9702/22 · May/June 2023Question 45 marks

    Hooke’s law, spring constant from a graph, and elastic potential energy.

Revise the lesson: Elastic and plastic behaviour

Waves Paper 2 · 4 questions

Progressive waves and intensity3
  1. 9702/22 · May/June 2025Question 38 marks

    Amplitude and speed from a wave graph, coherence, superposition and an intensity ratio.

  2. 9702/22 · Oct/Nov 2024Question 48 marks

    Transverse and longitudinal waves, and stationary waves in a pipe.

  3. 9702/22 · May/June 2023Question 59 marks

    Wave types, stationary waves in a closed tube, and polarisation.

Revise the lesson: Progressive waves and intensity
Electromagnetic spectrum and polarisation2
  1. 9702/22 · Oct/Nov 2023Question 510 marks

    Polarisation, diffraction and the diffraction grating.

  2. 9702/22 · May/June 2023Question 59 marks

    Wave types, stationary waves in a closed tube, and polarisation.

Revise the lesson: Electromagnetic spectrum and polarisation

Superposition Paper 2 · 6 questions

Stationary waves2
  1. 9702/22 · Oct/Nov 2024Question 48 marks

    Transverse and longitudinal waves, and stationary waves in a pipe.

  2. 9702/22 · May/June 2023Question 59 marks

    Wave types, stationary waves in a closed tube, and polarisation.

Revise the lesson: Stationary waves
Diffraction and interference3
  1. 9702/22 · Oct/Nov 2025Question 48 marks

    Double-slit interference: frequency from fringe spacing, and why two lasers give no stable pattern.

  2. 9702/22 · May/June 2025Question 38 marks

    Amplitude and speed from a wave graph, coherence, superposition and an intensity ratio.

  3. 9702/22 · Oct/Nov 2023Question 510 marks

    Polarisation, diffraction and the diffraction grating.

Revise the lesson: Diffraction and interference
The diffraction grating2
  1. 9702/22 · May/June 2024Question 66 marks

    Diffraction grating and the effect of changing the wavelength.

  2. 9702/22 · Oct/Nov 2023Question 510 marks

    Polarisation, diffraction and the diffraction grating.

Revise the lesson: The diffraction grating

Electricity Paper 2 · 6 questions

Electric current3
  1. 9702/22 · May/June 2024Question 311 marks

    Charge, power, resistivity and the Young modulus of a wire.

  2. 9702/22 · Oct/Nov 2023Question 612 marks

    Resistivity, charge and current, series circuits and an LDR.

  3. 9702/22 · May/June 2023Question 65 marks

    Filament lamp resistance, and current in terms of drift velocity.

Revise the lesson: Electric current
Potential difference and power4
  1. 9702/22 · Oct/Nov 2025Question 511 marks

    Kirchhoff's first law, terminal p.d., current and power, and the effect of light level.

  2. 9702/22 · May/June 2025Question 610 marks

    Potential difference, charge and currents in a circuit, an unknown resistance and a bridge circuit.

  3. 9702/22 · Oct/Nov 2024Question 512 marks

    Series and parallel circuits, power and efficiency.

  4. 9702/22 · May/June 2024Question 311 marks

    Charge, power, resistivity and the Young modulus of a wire.

Revise the lesson: Potential difference and power
Resistance and resistivity3
  1. 9702/22 · May/June 2024Question 311 marks

    Charge, power, resistivity and the Young modulus of a wire.

  2. 9702/22 · Oct/Nov 2023Question 612 marks

    Resistivity, charge and current, series circuits and an LDR.

  3. 9702/22 · May/June 2023Question 65 marks

    Filament lamp resistance, and current in terms of drift velocity.

Revise the lesson: Resistance and resistivity

D.C. circuits Paper 2 · 6 questions

E.m.f. and internal resistance1
  1. 9702/22 · Oct/Nov 2025Question 511 marks

    Kirchhoff's first law, terminal p.d., current and power, and the effect of light level.

Revise the lesson: E.m.f. and internal resistance
Kirchhoff's laws4
  1. 9702/22 · Oct/Nov 2025Question 511 marks

    Kirchhoff's first law, terminal p.d., current and power, and the effect of light level.

  2. 9702/22 · May/June 2025Question 610 marks

    Potential difference, charge and currents in a circuit, an unknown resistance and a bridge circuit.

  3. 9702/22 · Oct/Nov 2024Question 512 marks

    Series and parallel circuits, power and efficiency.

  4. 9702/22 · May/June 2024Question 59 marks

    Kirchhoff’s second law in a series circuit with a thermistor.

Revise the lesson: Kirchhoff's laws
Potential dividers4
  1. 9702/22 · May/June 2025Question 610 marks

    Potential difference, charge and currents in a circuit, an unknown resistance and a bridge circuit.

  2. 9702/22 · May/June 2024Question 59 marks

    Kirchhoff’s second law in a series circuit with a thermistor.

  3. 9702/22 · Oct/Nov 2023Question 612 marks

    Resistivity, charge and current, series circuits and an LDR.

  4. 9702/22 · May/June 2023Question 77 marks

    Potential divider with an LDR, and a null method with a resistance wire.

Revise the lesson: Potential dividers

Particle physics Paper 2 · 6 questions

Atoms, nuclei and radiation5
  1. 9702/22 · Oct/Nov 2025Question 69 marks

    Fundamental particles, quarks in a neutral meson, speed from kinetic energy, and a nuclear decay.

  2. 9702/22 · May/June 2025Question 79 marks

    Fundamental particles, charge-to-mass ratio, a β⁻ decay equation and identifying a decay from energies.

  3. 9702/22 · Oct/Nov 2024Question 611 marks

    Alpha and beta particles, alpha decay, and momentum in a decay.

  4. 9702/22 · Oct/Nov 2023Question 75 marks

    Fundamental particles, decay sequences and meson quarks.

  5. 9702/22 · May/June 2023Question 86 marks

    Isotopes, β⁻ decay, quark changes and hadron charge.

Revise the lesson: Atoms, nuclei and radiation
Fundamental particles5
  1. 9702/22 · Oct/Nov 2025Question 69 marks

    Fundamental particles, quarks in a neutral meson, speed from kinetic energy, and a nuclear decay.

  2. 9702/22 · May/June 2025Question 79 marks

    Fundamental particles, charge-to-mass ratio, a β⁻ decay equation and identifying a decay from energies.

  3. 9702/22 · May/June 2024Question 73 marks

    Quark composition of mesons.

  4. 9702/22 · Oct/Nov 2023Question 75 marks

    Fundamental particles, decay sequences and meson quarks.

  5. 9702/22 · May/June 2023Question 86 marks

    Isotopes, β⁻ decay, quark changes and hadron charge.

Revise the lesson: Fundamental particles

Motion in a circle Paper 4 · 5 questions

Kinematics of circular motion5
  1. 9702/42 · Oct/Nov 2025Question 19 marks

    Circular motion due to the Earth's rotation: radius, speed, and forces on a person.

  2. 9702/42 · May/June 2025Question 110 marks

    The radian, then angular speed, period and angle for bicycle wheels and cogs.

  3. 9702/42 · Oct/Nov 2024Question 113 marks

    A rotating spoke in a magnetic field: circular motion and induced e.m.f.

  4. 9702/42 · May/June 2024Question 110 marks

    Radians, angular speed and centripetal acceleration of a point on a disc.

  5. 9702/42 · Oct/Nov 2023Question 110 marks

    Radians, angular speed, centripetal acceleration and force.

Revise the lesson: Kinematics of circular motion
Centripetal acceleration and force3
  1. 9702/42 · Oct/Nov 2025Question 19 marks

    Circular motion due to the Earth's rotation: radius, speed, and forces on a person.

  2. 9702/42 · May/June 2024Question 110 marks

    Radians, angular speed and centripetal acceleration of a point on a disc.

  3. 9702/42 · Oct/Nov 2023Question 110 marks

    Radians, angular speed, centripetal acceleration and force.

Revise the lesson: Centripetal acceleration and force

Gravitational fields Paper 4 · 5 questions

Gravitational force and field strength4
  1. 9702/42 · Oct/Nov 2025Question 211 marks

    Newton's law of gravitation, kinetic theory assumptions, gas pressure and molecular spacing.

  2. 9702/42 · May/June 2025Question 212 marks

    Gravitational and magnetic field lines and how the fields vary around the Earth.

  3. 9702/42 · Oct/Nov 2024Question 212 marks

    Gravitational field and potential energy, and the Sun’s luminosity.

  4. 9702/42 · May/June 2023Question 111 marks

    Newton’s law of gravitation, orbits and geostationary satellites.

Revise the lesson: Gravitational force and field strength
Gravitational potential and orbits3
  1. 9702/42 · Oct/Nov 2024Question 212 marks

    Gravitational field and potential energy, and the Sun’s luminosity.

  2. 9702/42 · Oct/Nov 2023Question 212 marks

    Gravitational potential, escape speed and r.m.s. speed of gas molecules.

  3. 9702/42 · May/June 2023Question 111 marks

    Newton’s law of gravitation, orbits and geostationary satellites.

Revise the lesson: Gravitational potential and orbits

Temperature Paper 4 · 5 questions

Thermal equilibrium and temperature scales3
  1. 9702/42 · Oct/Nov 2025Question 39 marks

    Thermal equilibrium and a constant-volume gas thermometer.

  2. 9702/42 · May/June 2024Question 210 marks

    Thermal equilibrium, the ideal gas equation and r.m.s. speed.

  3. 9702/42 · May/June 2023Question 212 marks

    Ideal gas equation, molecular mass, r.m.s. speed and absolute zero.

Revise the lesson: Thermal equilibrium and temperature scales
Specific heat capacity and latent heat2
  1. 9702/42 · May/June 2025Question 313 marks

    Specific heat capacity, internal energy and the first law for a heated aluminium block.

  2. 9702/42 · Oct/Nov 2024Question 311 marks

    Specific latent heat, work done in vaporisation and internal energy.

Revise the lesson: Specific heat capacity and latent heat

Ideal gases Paper 4 · 6 questions

The ideal gas equation4
  1. 9702/42 · Oct/Nov 2025Question 211 marks

    Newton's law of gravitation, kinetic theory assumptions, gas pressure and molecular spacing.

  2. 9702/42 · May/June 2025Question 48 marks

    Ideal gas equation, mean kinetic energy of a molecule and r.m.s. speed against temperature.

  3. 9702/42 · May/June 2024Question 210 marks

    Thermal equilibrium, the ideal gas equation and r.m.s. speed.

  4. 9702/42 · May/June 2023Question 212 marks

    Ideal gas equation, molecular mass, r.m.s. speed and absolute zero.

Revise the lesson: The ideal gas equation
Kinetic theory of gases6
  1. 9702/42 · Oct/Nov 2025Question 211 marks

    Newton's law of gravitation, kinetic theory assumptions, gas pressure and molecular spacing.

  2. 9702/42 · May/June 2025Question 48 marks

    Ideal gas equation, mean kinetic energy of a molecule and r.m.s. speed against temperature.

  3. 9702/42 · Oct/Nov 2024Question 49 marks

    Kinetic theory: gas pressure from molecular motion and mean-square speed.

  4. 9702/42 · May/June 2024Question 210 marks

    Thermal equilibrium, the ideal gas equation and r.m.s. speed.

  5. 9702/42 · Oct/Nov 2023Question 212 marks

    Gravitational potential, escape speed and r.m.s. speed of gas molecules.

  6. 9702/42 · May/June 2023Question 212 marks

    Ideal gas equation, molecular mass, r.m.s. speed and absolute zero.

Revise the lesson: Kinetic theory of gases

Thermodynamics Paper 4 · 6 questions

Internal energy4
  1. 9702/42 · Oct/Nov 2025Question 410 marks

    First law, internal energy and work from p–V and energy graphs over a cycle.

  2. 9702/42 · May/June 2025Question 313 marks

    Specific heat capacity, internal energy and the first law for a heated aluminium block.

  3. 9702/42 · May/June 2024Question 38 marks

    Internal energy: kinetic and potential energy of molecules when heated or stretched.

  4. 9702/42 · Oct/Nov 2023Question 38 marks

    Internal energy and the first law of thermodynamics.

Revise the lesson: Internal energy
The first law of thermodynamics5
  1. 9702/42 · Oct/Nov 2025Question 410 marks

    First law, internal energy and work from p–V and energy graphs over a cycle.

  2. 9702/42 · May/June 2025Question 313 marks

    Specific heat capacity, internal energy and the first law for a heated aluminium block.

  3. 9702/42 · Oct/Nov 2024Question 311 marks

    Specific latent heat, work done in vaporisation and internal energy.

  4. 9702/42 · Oct/Nov 2023Question 38 marks

    Internal energy and the first law of thermodynamics.

  5. 9702/42 · May/June 2023Question 39 marks

    First law of thermodynamics around a pressure–volume cycle.

Revise the lesson: The first law of thermodynamics

Oscillations Paper 4 · 6 questions

Simple harmonic motion6
  1. 9702/42 · Oct/Nov 2025Question 510 marks

    SHM from an acceleration–displacement graph, the period, and damping.

  2. 9702/42 · May/June 2025Question 59 marks

    Simple harmonic motion: period and amplitude from a velocity equation, and a v–x sketch.

  3. 9702/42 · Oct/Nov 2024Question 59 marks

    Simple harmonic motion of a pendulum and its energy.

  4. 9702/42 · May/June 2024Question 49 marks

    Simple harmonic motion from an acceleration–displacement graph.

  5. 9702/42 · Oct/Nov 2023Question 411 marks

    Simple harmonic motion and r.m.s. values of an alternating current.

  6. 9702/42 · May/June 2023Question 411 marks

    Simple harmonic motion: displacement, velocity, acceleration and energy.

Revise the lesson: Simple harmonic motion
Velocity and energy in SHM4
  1. 9702/42 · May/June 2025Question 59 marks

    Simple harmonic motion: period and amplitude from a velocity equation, and a v–x sketch.

  2. 9702/42 · Oct/Nov 2024Question 59 marks

    Simple harmonic motion of a pendulum and its energy.

  3. 9702/42 · May/June 2024Question 49 marks

    Simple harmonic motion from an acceleration–displacement graph.

  4. 9702/42 · May/June 2023Question 411 marks

    Simple harmonic motion: displacement, velocity, acceleration and energy.

Revise the lesson: Velocity and energy in SHM
Damping and resonance1
  1. 9702/42 · Oct/Nov 2025Question 510 marks

    SHM from an acceleration–displacement graph, the period, and damping.

Revise the lesson: Damping and resonance

Electric fields Paper 4 · 5 questions

Electric fields and uniform fields2
  1. 9702/42 · May/June 2025Question 611 marks

    Electric field between plates, accelerating an electron, then the minimum X-ray wavelength.

  2. 9702/42 · Oct/Nov 2023Question 511 marks

    Coulomb’s law and a charged droplet in equilibrium between plates.

Revise the lesson: Electric fields and uniform fields
Coulomb's law3
  1. 9702/42 · Oct/Nov 2025Question 611 marks

    Electric field and potential of a charged sphere, then discharge through a resistor.

  2. 9702/42 · Oct/Nov 2024Question 610 marks

    Coulomb’s law and the field of a charged conducting sphere.

  3. 9702/42 · Oct/Nov 2023Question 511 marks

    Coulomb’s law and a charged droplet in equilibrium between plates.

Revise the lesson: Coulomb's law
Electric potential2
  1. 9702/42 · Oct/Nov 2025Question 611 marks

    Electric field and potential of a charged sphere, then discharge through a resistor.

  2. 9702/42 · May/June 2024Question 57 marks

    Electric potential of two charged spheres, and a proton moving in the field.

Revise the lesson: Electric potential

Capacitance Paper 4 · 6 questions

Capacitors and capacitance4
  1. 9702/42 · May/June 2025Question 710 marks

    Capacitor discharge through a resistor: capacitance, resistance and time constant.

  2. 9702/42 · Oct/Nov 2024Question 710 marks

    Capacitance, stored energy and sharing charge between capacitors.

  3. 9702/42 · May/June 2024Question 610 marks

    Capacitors in series and parallel, and the energy stored.

  4. 9702/42 · May/June 2023Question 59 marks

    Capacitors sharing charge, stored energy and energy lost.

Revise the lesson: Capacitors and capacitance
Energy stored in a capacitor4
  1. 9702/42 · Oct/Nov 2024Question 710 marks

    Capacitance, stored energy and sharing charge between capacitors.

  2. 9702/42 · May/June 2024Question 610 marks

    Capacitors in series and parallel, and the energy stored.

  3. 9702/42 · Oct/Nov 2023Question 69 marks

    Capacitor energy, discharge through a resistor and the time constant.

  4. 9702/42 · May/June 2023Question 59 marks

    Capacitors sharing charge, stored energy and energy lost.

Revise the lesson: Energy stored in a capacitor
Discharging a capacitor3
  1. 9702/42 · Oct/Nov 2025Question 611 marks

    Electric field and potential of a charged sphere, then discharge through a resistor.

  2. 9702/42 · May/June 2025Question 710 marks

    Capacitor discharge through a resistor: capacitance, resistance and time constant.

  3. 9702/42 · Oct/Nov 2023Question 69 marks

    Capacitor energy, discharge through a resistor and the time constant.

Revise the lesson: Discharging a capacitor

Magnetic fields Paper 4 · 5 questions

Force on a moving charge1
  1. 9702/42 · Oct/Nov 2023Question 711 marks

    The Hall effect and induced e.m.f. from changing flux.

Revise the lesson: Force on a moving charge
Magnetic fields due to currents1
  1. 9702/42 · May/June 2025Question 212 marks

    Gravitational and magnetic field lines and how the fields vary around the Earth.

Revise the lesson: Magnetic fields due to currents
Electromagnetic induction4
  1. 9702/42 · Oct/Nov 2024Question 113 marks

    A rotating spoke in a magnetic field: circular motion and induced e.m.f.

  2. 9702/42 · May/June 2024Question 714 marks

    Flux, flux linkage and the induced e.m.f. from a changing field.

  3. 9702/42 · Oct/Nov 2023Question 711 marks

    The Hall effect and induced e.m.f. from changing flux.

  4. 9702/42 · May/June 2023Question 610 marks

    Magnetic flux, e.m.f. in a rotating disc, and Lenz’s law.

Revise the lesson: Electromagnetic induction

Alternating currents Paper 4 · 5 questions

Characteristics of alternating currents5
  1. 9702/42 · Oct/Nov 2025Question 78 marks

    Period and r.m.s. value of an alternating voltage, and a rectified power graph.

  2. 9702/42 · May/June 2025Question 810 marks

    Half-wave rectification, peak and mean power, and r.m.s. output voltage.

  3. 9702/42 · Oct/Nov 2024Question 89 marks

    Alternating current: period, r.m.s. values and mean power.

  4. 9702/42 · Oct/Nov 2023Question 411 marks

    Simple harmonic motion and r.m.s. values of an alternating current.

  5. 9702/42 · May/June 2023Question 710 marks

    Bridge rectifier, output waveform, power and r.m.s. values.

Revise the lesson: Characteristics of alternating currents
Rectification and smoothing3
  1. 9702/42 · Oct/Nov 2025Question 78 marks

    Period and r.m.s. value of an alternating voltage, and a rectified power graph.

  2. 9702/42 · May/June 2025Question 810 marks

    Half-wave rectification, peak and mean power, and r.m.s. output voltage.

  3. 9702/42 · May/June 2023Question 710 marks

    Bridge rectifier, output waveform, power and r.m.s. values.

Revise the lesson: Rectification and smoothing

Quantum physics Paper 4 · 7 questions

Photons and the photoelectric effect5
  1. 9702/42 · Oct/Nov 2025Question 810 marks

    Photons and hydrogen energy levels: ground state energy and level differences.

  2. 9702/42 · May/June 2025Question 611 marks

    Electric field between plates, accelerating an electron, then the minimum X-ray wavelength.

  3. 9702/42 · May/June 2025Question 98 marks

    Photoelectric effect: stopping voltage against frequency explained with photons.

  4. 9702/42 · Oct/Nov 2023Question 88 marks

    Photoelectric effect, threshold frequency and the photoelectric equation.

  5. 9702/42 · May/June 2023Question 88 marks

    Photon energy, energy levels and emission line frequencies.

Revise the lesson: Photons and the photoelectric effect
Wave–particle duality2
  1. 9702/42 · May/June 2025Question 98 marks

    Photoelectric effect: stopping voltage against frequency explained with photons.

  2. 9702/42 · Oct/Nov 2024Question 99 marks

    Electron diffraction, de Broglie wavelength and momentum.

Revise the lesson: Wave–particle duality
Energy levels and line spectra3
  1. 9702/42 · Oct/Nov 2025Question 810 marks

    Photons and hydrogen energy levels: ground state energy and level differences.

  2. 9702/42 · May/June 2024Question 812 marks

    Redshift, photon energy, energy levels and Hubble’s law.

  3. 9702/42 · May/June 2023Question 88 marks

    Photon energy, energy levels and emission line frequencies.

Revise the lesson: Energy levels and line spectra

Nuclear physics Paper 4 · 6 questions

Mass defect and binding energy4
  1. 9702/42 · Oct/Nov 2025Question 913 marks

    Mass defect and fusion energy, a star's luminosity and temperature, and standard candles.

  2. 9702/42 · Oct/Nov 2024Question 108 marks

    Radioactive decay, fission and fusion, and binding energy per nucleon.

  3. 9702/42 · May/June 2024Question 913 marks

    Mass defect, binding energy per nucleon and alpha decay.

  4. 9702/42 · May/June 2023Question 911 marks

    Mass defect, fusion energy, luminosity and stellar temperature.

Revise the lesson: Mass defect and binding energy
Radioactive decay3
  1. 9702/42 · May/June 2025Question 109 marks

    Spontaneous decay, half-life and activity of two isotopes, and detector count rate.

  2. 9702/42 · Oct/Nov 2024Question 108 marks

    Radioactive decay, fission and fusion, and binding energy per nucleon.

  3. 9702/42 · Oct/Nov 2023Question 912 marks

    Radioactive decay, activity, and PET scanning.

Revise the lesson: Radioactive decay

Medical physics Paper 4 · 5 questions

Ultrasound1
  1. 9702/42 · May/June 2024Question 107 marks

    Ultrasound imaging, acoustic impedance and reflection.

Revise the lesson: Ultrasound
X-rays and CT scanning3
  1. 9702/42 · Oct/Nov 2025Question 109 marks

    X-ray contrast, attenuation coefficients and how CT scanning builds a 3D image.

  2. 9702/42 · May/June 2025Question 611 marks

    Electric field between plates, accelerating an electron, then the minimum X-ray wavelength.

  3. 9702/42 · May/June 2023Question 109 marks

    X-ray production, minimum wavelength and attenuation.

Revise the lesson: X-rays and CT scanning
PET scanning1
  1. 9702/42 · Oct/Nov 2023Question 912 marks

    Radioactive decay, activity, and PET scanning.

Revise the lesson: PET scanning

Astronomy and cosmology Paper 4 · 5 questions

Standard candles3
  1. 9702/42 · Oct/Nov 2025Question 913 marks

    Mass defect and fusion energy, a star's luminosity and temperature, and standard candles.

  2. 9702/42 · Oct/Nov 2024Question 212 marks

    Gravitational field and potential energy, and the Sun’s luminosity.

  3. 9702/42 · Oct/Nov 2023Question 108 marks

    Wien’s law, standard candles and redshift.

Revise the lesson: Standard candles
Stellar radii3
  1. 9702/42 · Oct/Nov 2025Question 913 marks

    Mass defect and fusion energy, a star's luminosity and temperature, and standard candles.

  2. 9702/42 · Oct/Nov 2023Question 108 marks

    Wien’s law, standard candles and redshift.

  3. 9702/42 · May/June 2023Question 911 marks

    Mass defect, fusion energy, luminosity and stellar temperature.

Revise the lesson: Stellar radii
Hubble's law and the Big Bang2
  1. 9702/42 · May/June 2024Question 812 marks

    Redshift, photon energy, energy levels and Hubble’s law.

  2. 9702/42 · Oct/Nov 2023Question 108 marks

    Wien’s law, standard candles and redshift.

Revise the lesson: Hubble's law and the Big Bang