define absolute refractive index of a medium.?

 Absolute refractive index:

The absolute refractive index of any medium is the refractive index of the medium with respect to vacuum. It is always greater than 1.

  • 151

okie okie... thnaks again...

  • -44

Absolute refractive index of a medium is defined as the ratio of the speed of light in vacume or air to the speed of light in the medium it is denoted by n.



n = speed of light in vacume (c) 

speed of light in medium (v)

  • 58

Whenever R.I is found with respect tto air as the first medium we reffer it to as Absolute refractive index.

  • -12
What are you looking for?