# How is the Refractive Index of a Medium Related to the Speed of Light in It? - Physics

How is the refractive index of a medium related to the speed of light in it?

#### Solution

Refractive index = "Speed of light in vacuum or air"/"speed of light in that medium"

Concept: Refraction of Light - Refraction of Light Through a Glass Block and a Triangular Prism
Is there an error in this question or solution?

#### APPEARS IN

Frank ICSE Class 10 Physics Part 2
Chapter 2 Light
Exercise 2.1 | Q 10 | Page 88