Question

The refractive index of glass w.R.T air is 1.5 what is the refractive index of air w.R.T glass?

Answer 1

Explanation:

the refractive index of air is 1

Answer 2

Answer:

refractive index of air with respect to glass is 1.

as calculating precisely it's 1.0003 but decimal is too small so we take it as 1.