If refractive index of glass w.r.t. air is 1.55, then what is the refractive index of air w.r.t. glass.

The refractive index of air w.r.t glass is 2//3 .The refractive index of diamond w.r.t. air is 12//5 .What is the refrative index of glass w.r.t. diamond?

What is the unit of refractive index?

The refractive index of air w.r.t. med 1 is 6//7 .The refractive index of med 2 w.r.t air is 7//3 .Then ,the refractive index of med 1 w.r.t med 2 will be

Refractive index of water w.r.t. air is 4/3 and that of glass w.r.t air is 2/3 what will be the refractive index of glass w.r.t water ?

The optical path of a monochromatic ligth is the same,if it goes through 2.0 cm of glass or 2.25 cm of water.If the refractive index of water is 4//3 ,what is the refractive index of glass?

A glass slab of thickness 4 cm contains the same number of waves as 5 cm of water,when both are traversed by the same monochromatic light.If the refractive index of water is 4//3 ,what is the refractive index of glass?

In a certain spectrum produced by a glass prism of dispersive power 0.031,it was found that the refractive index for teh red ray is 1.645,whereas the refractie index for the blue ray is 1.665.What is the refractive index for the yello ray?

Define refractive index of a medium w.r.t. another medium.