A-Level Physics is split across two years with the first half of the course being called AS and the second part A2.
AS covers papers 1, 2 and 3.
A2 covers papers 4 and 5.
For information about what topics are covered in each year, see the syllabus.
Syllabus
The most recent syllabus can always be found here: https://www.cambridgeinternational.org/programmes-and-qualifications/cambridge-international-as-and-a-level-physics-9702/
2025-2027: https://www.cambridgeinternational.org/Images/664565-2025-2027-syllabus.pdf
2028-2030: https://www.cambridgeinternational.org/Images/744626-2028-2030-syllabus.pdf
Useful resources
Here are some helpful websites to help you study:
- Definitions, flashcards, notes and questions by topic: https://www.physicsandmathstutor.com/physics-revision/a-level-caie/