The refractive index of water is `4/3` and that of glass is `3/2` with respect to vaccum. Calculate the refractive index of glass with respect to water.

Refractive index of water with respect to air is 1.33, refractive index of oil with respect to water is 1.45 and that of glass with respect to oil is 0.78. What is the refractive index of glass with respect to air?

What is the refractive index of a medium?

Absolute refractive index of vaccum is

Define absolute refractive index.

What is the value of refractive index of crown glass?

What is the value of refractive index of flinit glass?

When an object is placed 20 cm away from a convax lens, no image is obtained on either side of the lens. What is the focal length of the lens? If the refractive index of glass with respect to air is 1.5, what is the refractive index of air with respect to glass?

Refractive index of water is 1.33' - What if the meaning of the statement?

What is the unit of refractive index ?

State whether True or False:- Refractive index of diamond with respect to air is low.