For a given medium, the polarising angle is `45^@`. What will be the critical angle for this medium?

The polarising angle of a medium is 60^@ . What is refractive index of the medium?

What do you mean by critical angle?

How polarising angle is related to critical angle.?

What is ether medium?

What is ether medium?

For glass-air interface,the critical angle is C.Will the critical angle for glass-water interface be greater or less than C?

A ray of light is incident on a medium at polarising angle .What is the angle betweeen the relfected and refracted rays?