Question

The speed of light in diamond is found to be 1,20,000 km/s. What is the refractive
index of diamond?​

Answer 1

Step-by-step explanation:

Speed of light in diamond

= 1.2 * 10^8 m/s

Speed of light in air = 3 * 10^8 m/s

Refractive index

= 3 * 10^8 m/s / 1.2 * 10^8 m/s

= 2.5

Answer 2

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