Question

What is meant by refractive index?(Best answer would be marked as brainliest and irrelevant answers would be reported) Please give me answer by yourself not with the help of Google because I genuinely believe your answers would be more better than Google.​

Answer 1

Answer:

Definition of refractive index

: the ratio of the speed of radiation (such as light) in one medium (such as air, glass, or a vacuum) to that in another medium

The refractive index of the second medium with respect to the first medium is given by the ratio of the magnitude of the velocity of light in medium first to that in 2 medium. It is represented by

Refractive Index=

Velocity of light in second medium

Velocity of light in first medium

BTS ARMY

Answer 2

Explanation:

the the ratio of the velocity of light in a vacuum to its velocity in a specified medium is called refractive index.