https://tr.khanacademy.org/science/ap-physics-2/x0e2f5a2c:modern-physics 2026-03-27T05:00:56.939192419Z Modern physics Explore wave-particle duality. Learn about the Bohr model of atomic structure and how it relates to atomic spectra. Describe the relationships involved in blackbody radiation, the photoelectric effect, and Compton scattering. Explore and model nuclear processes. unit