Get detailed and accurate responses to your questions on IDNLearn.com. Ask your questions and receive accurate, in-depth answers from our knowledgeable community members.

what is refractive index?

Sagot :

The refractive index of a substance is the ratio . . .

           (speed of light in vacuum) divided by (speed of light in the substance) .


So the speed of light in a substance is

           (299,792,458 meters per sec) divided by (the refractive index of the substance).