AQA A-Level Physics Paper 2, June 2025
Every question from AQA A-Level Physics Paper 2, June 2025 (7408): 31 questions, 85 marks, each with its mark scheme and topic.
- Question 1 9 marks
Estimate nuclear radius using closest approach of alpha particles, explain why this is an estimate, sketch electron diffraction intensity graph, and show nuclear density is constant.
Physics · 3.8 Nuclear physics (A-level only) · 3.7 Fields and their consequences (A-level only)
- Question 2 11 marks
Explain the kinetic theory derivation assumptions, thermal expansion at constant pressure, and deduce if water vapour behaves as an ideal gas.
Physics · 3.6 Further mechanics and thermal physics (A-level only)
- Question 3 11 marks
Calculate the initial mass, activity, and operating lifetime of a plutonium-238 radioisotope thermoelectric generator, and determine if a laser has sufficient energy to vaporise an ice sample on Mars.
Physics · 3.8 Nuclear physics (A-level only) · 3.6 Further mechanics and thermal physics (A-level only)
- Question 4 8 marks
Calculate the orbital period of Enceladus using Kepler's third law and determine gravitational properties and the mass of Titan from a potential-distance graph.
Physics · 3.7 Fields and their consequences (A-level only)
- Question 5 8 marks
Explain the term dielectric constant, determine the circuit time constant from a discharge graph, calculate the percentage current remaining after five time constants, and sketch the charging current curve.
Physics · Practical skills · Required Practicals · 3.7 Fields and their consequences (A-level only) · Data analysis · A-Level practicals (7–12)
- Question 6 13 marks
Analyze the motion of ions in Jupiter's plasma torus under gravitational, magnetic, and electric fields, including orbital mechanics, field direction, magnetic flux density in base units, and resultant electric field strength.
Physics · 3.1 Measurements and their errors · 3.6 Further mechanics and thermal physics (A-level only) · 3.7 Fields and their consequences (A-level only)
- Question 7 1 mark
Determine the escape velocity of a moon with density 2ρ and radius R/3 in terms of the escape velocity v of a moon with density ρ and radius R.
Physics · 3.7 Fields and their consequences (A-level only)
- Question 8 1 mark
Calculate the new volume of gas in a syringe when a weight is suspended from the plunger, using Boyle's law.
Physics · Required Practicals · 3.6 Further mechanics and thermal physics (A-level only) · A-Level practicals (7–12)
- Question 9 1 mark
Determine how the temperature of a constant mass of gas varies with pressure using a pressure-volume graph.
Physics · 3.6 Further mechanics and thermal physics (A-level only)
- Question 10 1 mark
Identify the expression that gives the value of absolute zero in °C from a linear graph of pressure against temperature for a fixed mass of gas at constant volume.
Physics · 3.6 Further mechanics and thermal physics (A-level only)
- Question 11 1 mark
Identify the correct electric field line pattern between two charges $+Q$ and $-q$ where the magnitude of $+Q$ is greater than $-q$.
Physics · 3.7 Fields and their consequences (A-level only)
- Question 12 1 mark
Determine the electrostatic force between two charged metal spheres with modified charges and radii at a fixed centre-to-centre separation.
Physics · 3.7 Fields and their consequences (A-level only)
- Question 13 1 mark
Determine the expression for the change in electric potential energy when a particle of charge q is moved through a potential difference V.
Physics · 3.5 Electricity · 3.7 Fields and their consequences (A-level only)
- Question 14 1 mark
Determine the direction of the electric force on an electron placed in an electric field shown by curved equipotential lines.
Physics · 3.7 Fields and their consequences (A-level only)
- Question 15 1 mark
Identify which point has an electric field strength of zero near two opposite point charges of different magnitudes.
Physics · 3.7 Fields and their consequences (A-level only)
- Question 16 1 mark
Identify the graph showing how electric field strength varies with displacement between two parallel conducting plates at different potentials.
Physics · 3.7 Fields and their consequences (A-level only)
- Question 17 1 mark
Calculate the capacitance of a parallel-plate capacitor whose plate height is doubled and dielectric constant is 3.0 relative to an initial capacitor of 100 μF.
Physics · 3.7 Fields and their consequences (A-level only)
- Question 18 1 mark
Calculate the resistance of a variable resistor in a constant-current capacitor charging circuit after 30 seconds.
Physics · 3.7 Fields and their consequences (A-level only) · 3.5 Electricity
- Question 19 1 mark
Identify which ramps result in the smallest and largest time for identical magnets to slide down, based on the ramps' resistivity and thickness.
Physics · 3.5 Electricity · 3.7 Fields and their consequences (A-level only)
- Question 20 1 mark
Determine the current required to magnetically support a wire whose length is halved and diameter is doubled compared to an initial wire.
Physics · 3.7 Fields and their consequences (A-level only) · 3.4 Mechanics and materials
- Question 21 1 mark
Determine the mean induced emf as a rotating coil moves through pi radians from a position parallel to a magnetic field.
Physics · 3.7 Fields and their consequences (A-level only)
- Question 22 1 mark
Calculate the induced electromotive force across a metal block moving at constant velocity through a uniform vertical magnetic field.
Physics · 3.7 Fields and their consequences (A-level only)
- Question 23 1 mark
Calculate the efficiency of a transformer supplying a 100 W lamp from an ac supply with given peak potential difference and peak current.
Physics · 3.7 Fields and their consequences (A-level only)
- Question 24 1 mark
Determine the frequency of an ac signal displayed on an oscilloscope screen given a time-base setting of 5 μs div⁻¹.
Physics · Practical skills · 3.7 Fields and their consequences (A-level only) · Data analysis
- Question 25 1 mark
Calculate the initial distance from a gamma radiation source given the initial and new count rates when the distance is increased by 10 cm.
Physics · Required Practicals · 3.8 Nuclear physics (A-level only) · A-Level practicals (7–12)
- Question 26 1 mark
Determine the energy of the emitted gamma photon that has the shortest wavelength following the alpha decay of americium-241 to neptunium-237.
Physics · 3.8 Nuclear physics (A-level only) · 3.2 Particles and radiation
- Question 27 1 mark
Identify which nuclear decay process produces an daughter atom with electrons in an excited state via inner-shell electron vacancy.
Physics · 3.2 Particles and radiation · 3.8 Nuclear physics (A-level only)
- Question 28 1 mark
Calculate the kinetic energy of an alpha particle emitted during the decay of polonium-210 to lead-206 using nuclear masses in atomic mass units.
Physics · 3.8 Nuclear physics (A-level only)
- Question 29 1 mark
Identify which statement describes a function that is not a use of water in the nuclear industry.
Physics · 3.8 Nuclear physics (A-level only)
- Question 30 1 mark
Identify the purpose of a moderator in a thermal nuclear reactor.
Physics · 3.8 Nuclear physics (A-level only)
- Question 31 1 mark
Identify which region of the binding energy per nucleon curve contains nuclei that undergo fission to release energy.
Physics · 3.8 Nuclear physics (A-level only)