12–15% of the AP exam. Key topics: Photoelectric effect and work function (KE_max = hf − φ), Photon energy (E = hf) and photon momentum (p = h/λ), Blackbody radiation and Wien's displacement law (qualitative), Compton scattering (qualitative and quantitative), Wave-particle duality of light and matter, de Broglie wavelength (λ = h/p), Bohr model of the hydrogen atom, Atomic energy levels and emission/absorption spectra, Nuclear structure: protons, neutrons, isotopes, binding energy, Radioactive decay: alpha, beta, gamma decay; decay equations, Mass-energy equivalence (E = mc²), Nuclear reactions: fission and fusion (qualitative).
Study guide content for this unit is being prepared. Check back soon for complete lesson notes, formula sheets, and worked examples.
