5054/21/O/N/25 · O Level Physics October/November 2025 Paper 21
9 questions, 80 marks. Each one links to its official mark scheme.
- Question 1 · 8 marks · Momentum, Energy
- Question 2 · 8 marks · Mass and weight, Work, Uses of electricity, Efficiency, Energy
- Question 3 · 7 marks · Conduction, Specific heat capacity, Particle model
- Question 4 · 10 marks · Refraction of light, Thin lenses
- Question 5 · 10 marks · Melting, boiling and evaporation, Electromagnetic induction, Thermal expansion of solids, liquids and gases, Convection
- Question 6 · 10 marks · Resistance, Series and parallel circuits, Uses of electricity
- Question 7 · 8 marks · Electrical charge
- Question 8 · 9 marks · The nucleus, Radioactive decay, The atom
- Question 9 · 10 marks · Balanced and unbalanced forces, Circular motion, The Solar System, The Earth
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.