Question

Define the refractive index?? ​

Answer 1

Answer:

Hi

Explanation:

Refractive index is defined as "The ratio of speed of light in vaccume and in material"

mathematically

n=c/v

Hope it will help u thank u.

Answer 2

Answer:

Explanation:

Refractive index is defined as the ratio of the speed of light in a vacuum to its speed in a specific medium