3.12 Turning Points — Revision Notes

Clear revision notes for all 15 subtopics: the core notes with every diagram, and a “How confident am I?” self-check against the specification. Want practice questions with answers? See Revision Notes + Practice.

AQA A-Level Physics · Revision notes · Free · PDF

1. 3.12.1.1 Cathode Rays
2. 3.12.1.2 Thermionic Emission
3. 3.12.1.3 Specific Charge
4. 3.12.1.4 Millikan
5. 3.12.2.1 Newton's Corpuscular Theory
6. 3.12.2.2 Young's Double Slits
7. 3.12.2.3 Electromagnetic Waves
8. 3.12.2.4 Discovery of Photoelectricity
9. 3.12.2.5 Wave–Particle Duality
10. 3.12.2.6 Electron Microscopes
11. 3.12.3.1 Michelson–Morley
12. 3.12.3.2 Special Relativity
13. 3.12.3.3 Time Dilation
14. 3.12.3.4 Length Contraction
15. 3.12.3.5 Mass and Energy