9702/21/O/N/25 · Physics October/November 2025 Paper 21
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 10 marks · Displacement, velocity and acceleration, Motion graphs, Gravitational potential energy, Kinetic energy, Power
- Question 2 · 12 marks · Pressure, Upthrust, Drag and terminal velocity, SI base and derived units
- Question 3 · 9 marks · Stress, strain and Young modulus, Resistivity, Elastic potential energy
- Question 4 · 10 marks · Diffraction, Diffraction grating, Polarisation
- Question 5 · 10 marks · Kirchhoff's laws, LDRs and thermistors, Internal resistance
- Question 6 · 9 marks · Nuclides and isotopes, Alpha scattering and the nuclear atom, Decay equations, Antiparticles and neutrinos, Hadrons, baryons and mesons
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.