9702/21/O/N/20 · Physics October/November 2020 Paper 21
8 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 9 marks · Moments, SI base and derived units, Density, Resolving vectors, Principle of moments
- Question 2 · 9 marks · Motion graphs, Gravitational potential energy, Equations of uniform acceleration
- Question 3 · 8 marks · Momentum and force, Kinetic energy, Newton's laws of motion
- Question 4 · 9 marks · Stress, strain and Young modulus, Elastic potential energy, Precision and accuracy
- Question 5 · 5 marks · Wave equation, Intensity
- Question 6 · 5 marks · Nodes and antinodes
- Question 7 · 8 marks · Resistance and Ohm's law, Resistivity, Internal resistance, Potential difference and power
- Question 8 · 7 marks · Quarks, Nuclides and isotopes, Electric potential
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.