Waves: Wave equations, traveling waves and stationary waves; principles of superposition, Doppler Effect.
Sound; Definitions, velocity of sound in air and material media and its variation, velocity of transverse & longitudinal vibration in wires and rods. Echoes briefly.
Optics: properties of light, the electromagnetic character of light; sources of light and their spectra, absorption & scattering, dispersion, polarization of light.
Heat, thermal equilibrium, Temperature measurement, heat as a form of energy, work, general gas Law, 1st Law of thermodynamics and its applications.
