Physics Notes
Notes for every topic in Edexcel International AS and A Level Physics, with interactive diagrams and step-by-step derivations.
How to use these notes
Interactive
Diagrams with sliders, buttons and things you can drag. Change one quantity and watch what happens to the others.
Derivation
Step-by-step derivations. Press Next step and try to predict the next line before you reveal it.
Formula sheet
The equation is printed on the list of formulae you get in the exam, so you need to know how to use it, not memorise it.
Topics
Units 1 to 3 are the AS; Units 4 to 6 are the A2.