Define refractive index of a medium.

Define the refractive index of a medium.

Define the term refractive index of a medium. Can it be less than 1 ?

If the refractive index of medium b with respect to medium a and that of medium c with respect to medium b are given, then the refractive index of a medium c with respect to a medium a can be found by using the relation n_(ca)=n_(ba)xx ____.

Define the term refractive index of a medium in terms of velocity of light.

Define absolute refractive index of a medium. Find its value for glass in which speed of light is 2 xx 10^(8)m//s .

What is the refractive index of a medium?