Light and Properties of matter : The nature and propagation of light – reflection of refraction at plane surfaces – interference – diffraction – polarization. Elasticity – Stress-strain diagram –hydrostatics – Pressure in a fluid – Pumps – Archimede’s principle – Surface tension – Contact angle - Capillarity – hydrodynamics – Bernoulli’s equation – Applications and viscosity – Poiseuille’s law - Stokes law – Reynolds number.
