Physics 9702,23 Oct Nov 2024 | Cambridge AS - A Level Past Papers With Mark Scheme

1. Motion and Forces – Acceleration definition; projectile motion of a parcel dropped from an aircraft; velocity components and impact speed calculation.

2. Momentum and Collisions – Principle of conservation of momentum; velocity determination post-collision; kinetic energy change in inelastic collisions; force exerted during impact.

3. Moments and Equilibrium – Principle of moments; upthrust force calculation; effect of water depth on equilibrium position and required counterbalancing distance.

4. Waves and Doppler Effect – Stationary wave properties; node and antinode identification; frequency calculation; Doppler shift in a rotating sound source.

5. Electricity and Resistance – Resistivity determination using wire properties; charge calculation over time; power dissipation changes in thermistor circuits.

6. Particle Physics and Quarks – Quark charges; baryons and mesons classification; comparison of particle structures; fundamental interactions in beta-plus decay.