Cambridge Notes
AS & A Level
Physics
Topic 2.2.1

Physics 2.2.1 Notes — AS & A Level

Cambridge AS & A Level Physics (9702) revision notes — topic 2.2.1. Syllabus-aligned key concepts for CAIE exam preparation.

1. Physical quantities and units

1.1 Physical quantities
1.2 SI units
1.3 Errors and uncertainties
1.4 Scalars and vectors

2. Kinematics

2.1 Equations of motion

3. Dynamics

3.1 Momentum and Newton’s laws of motion
3.2 Non-uniform motion
3.3 Linear momentum and its conservation

4. Forces, density and pressure

4.1 Turning effects of forces
4.2 Equilibrium of forces
4.3 Density and pressure

5. Work, energy and power

5.1 Energy conservation
5.2 Gravitational potential energy and kinetic energy

6. Deformation of solids

6.1 Stress and strain
6.2 Elastic and plastic behaviour

7. Waves

7.1 Progressive waves
7.2 Transverse and longitudinal waves
7.3 Doppler effect for sound waves
7.4 Electromagnetic spectrum
7.5 Polarisation

8. Superposition

8.1 Stationary waves
8.2 Diffraction
8.3 Interference
8.4 The diffraction grating

9. Electricity

9.1 Electric current
9.2 Potential difference and power
9.3 Resistance and resistivity

10. D.C. circuits

10.1 Practical circuits
10.2 Kirchhoff’s laws
10.3 Potential dividers

11. Particle physics

11.1 Atoms nuclei and radiation
11.2 Fundamental particles

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