Wave Optics & GNMR

In geometrical optics a ray of light is defined as

Assertion : Microwaves are better carrier of signals than optical waves Reason : Microwaves move faster than optical waves.

2-bromobutane is optically active but 1-bromobutane is optically inactive

Advantage of optical fibre

Band width of an optical fiber is

For path ArarrB optical path is

What is optical rotation ?

The diameter of an optical fibre is