Question

what is the formula for absolute Refractive Index of a medium​

Answer 1

Answer:

n=c/v

where n is index of refraction,c is velocity of light in vaccum and v is velocity of light in medium

hope it helps

Answer 2

Explanation:

The path of light can undergo many changes as light goes from its source to your eye. To analyze the path it is useful to know that the path is reversible. If you trace the path from water to air to glass, you can reverse the direction and follow the same path from glass to air to water