what is refractive index??
pls explain
Answers
Answered by
3
Answer:
In optics, the refractive index of a material is a dimensionless number that describes how fast light travels through the material. It is defined as where c is the speed of light in vacuum and v is the phase velocity of light in the medium.
Answered by
1
Explanation:
the ratio of the velocity of the vacuum to its velocity in a specified medium.
PLZ FOLLOW ME............
Similar questions