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Prateek Asked :

25-09-2021 Electromagnetic Theory

Q. The refractive index of air is unity. State True/False.

A. True
B. False


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Dapzoi Verified
Commented on 2021-09-25 11:07:18 (IST)
Answer: A

Explanation: The velocity of light in the air medium and the speed of light are both the same. Since light travels at maximum velocity in air only. Thus the refractive index n = c/v will be unity.