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# Solution for How is the Refractive Index of a Material Related to the Speed of Light in It? - CBSE Class 10 - Science

ConceptRefraction of Light Refractive Index

#### Question

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

#### Solution

The refractive index is the ratio of speeds of light in the two mediums.
The refractive index of medium 2 with respect to medium 1 is equal to the ratio of speeds of light in medium 1 and in medium 2.
1^2n=v_1/v_2

v_1=Speed of light in medium 1

v_2=Speed of light in medium 2

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Solution How is the Refractive Index of a Material Related to the Speed of Light in It? Concept: Refraction of Light - Refractive Index.
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