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

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

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Solution

The refractive index of diamond is 2.42. This means that the speed of light in diamond will reduce by a factor of 2.42 as compared to its speed in air.
In other words, the speed of light in diamond is 1/2.42 times the speed of light in vacuum.

Concept: Refractive Index
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APPEARS IN

NCERT Class 10 Science
Chapter 10 Light – Reflection and Refraction
Q 5 | Page 176
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