22· 4 subtopics· 4 of 5 chapters live
Each subtopic below is compiled paper by paper: every real Cambridge A Level Physics question tagged to it on that paper, laid out on A4 with the mark scheme. Pick the subtopic, then the paper you sit.
22.1 Energy and momentum of a photon22.2 Photoelectric effect22.3 Wave-particle duality22.4 Energy levels in atoms and line spectra