Question

Refractive index of water is 4/3 & that of the glass is 3/2 with regard to air. What is refractive index of glass with respect to water?

For XIII class CBSE.

Answer 1

The required answer is 8/9.

Answer 2

refractive index of glass with respect to water

=refractive index of glass/refractive index of water

=(3/2)/(4/3)

=9/8

=1.12