Explain Polarisation by scattering.

Explain polarisation of light by reflection and write the Brewster's law and get the formula.

Explain polarisation of polar molecule in uniform electric field.

Which of the following phenomena cannot be explained by scattering of light?

What is the angle between the plane of polarisation and the direction of propagation of beam of plane polarised light ?

How can a given light be unpolarized, plane polarised and partially plane polarised can be determined ?

In polarisation by reflection of light angle between reflected light and refracted light is

What is meant by scattering of light?

What is rayleigh scattering?

Explain the following processes: (a) Polarisation of the membrane of a nerve fibre. (b) Depolaristion of the membrance of a nerve fibre. (c ) Conduction of nerver impulse along a nerve fibre. (d) Transmission of a berve impulse across a chemical synapse.