Q. Why is refractive index in a transparent medium greater than one?

4004 231 Report Error

A

Because the speed of light in vacuum is always less than speed in a transparent medium

B

Because the speed of light in vacuum is always greater than the speed in a transparent medium

C

Frequency of wave changes when it crosses medium

D

None of the above.

Solution:

$μ = \frac{c}{v}$