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AQA 3.12 Turning Points
3.12.1 The discovery of the electron (A-level only)
- 3.12.1.1 Cathode rays
- 3.12.1.2 Thermionic emission of electrons
- 3.12.1.3 Specific charge of the electron
- 3.12.1.4 Principle of Millikan’s determination of the electronic charge, e
3.12.2 Wave-particle duality (A-level only)
- 3.12.2.1 Newton’s corpuscular theory of light
- 3.12.2.2 Significance of Young’s double slits experiment
- 3.12.2.3 Electromagnetic waves
- 3.12.2.4 The discovery of photoelectricity
- 3.12.2.5 Wave–particle duality
- 3.12.2.6 Electron microscopes
3.12.3 Special relativity
- 3.12.3.1 The Michelson-Morley experiment
- 3.12.3.1 The Michelson-Morley experiment
- 3.12.3.3 Time dilation
- 3.12.3.4 Length contraction
- 3.12.3.5 Mass and energy