Polaroid glass is used in sun glasses because

Question

Polaroid glass is used in sun glasses because (A) it reduces the light intensity to half on account of polarisation (B) it is fashionable (C) it has good colour (D) it is cheaper

Tardigrade Admin · Accepted Answer

When unpolarised light passes through one polariser, the electric field component of the radiation is restricted to one direction in one plane. So, the intensity is reduced to half. Thus, polaroid glass is used in sun glasses.

Q. Polaroid glass is used in sun glasses because

it reduces the light intensity to half on account of polarisation

it is fashionable

it has good colour

it is cheaper

When unpolarised light passes through one polariser, the electric field component of the radiation is restricted to one direction in one plane. So, the intensity is reduced to half. Thus, polaroid glass is used in sun glasses.