Question 5 Page 176 - Chapter 10 Class 10 - Light - Reflection and Refraction

Last updated at Dec. 16, 2024 by

The refractive index of diamond is 2.42. What is the meaning of this statement?

 

Answer

We know that

Refractive index of the medium = Speed of light in vacuum or air / Speed of light of the medium

 

Given

Refractive index of diamond = 2.42

Hence,

2.42 = Speed of light in vacuum or air / Speed of light in diamond

 

Hence, refractive index of diamond is 2.42 means that 

the ratio of the Speed of light in vacuum or air to the Speed of light in diamond is 2.42.

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo