Question

what is the

Refractive index =

Answer 1

Explanation:

the ratio of the velocity of light in a vacuum to its velocity in a specified medium.

Answer 2

Explanation:

measure of the bending of a ray of light when passing from one medium into another.

Refractive index is also equal to the velocity of light c of a given wavelength in empty space divided by its velocity v in a substance, or n = c/v