Newton’s laws, circular motion, harmonic oscillator, forced oscillations, energy and momentum conservation, elastic scattering. Basic relations of relativistic kinematics. Coloumb’s law of electric forces, Lorentz force, law of induction, propagation of planar electromagnetic waves in vacuum and matter. Quantisation of energy levels in atoms, excitations of atoms, photoelectric effect, description of microscopic particles with wave functions, Compton scattering. Radioactive decays.