Question

If the speed of light in a medium is 2.0×10^8 m/s, the index of refraction for the medium is
(A) 2.0
(B) 67
(C) 1.5
(D) 1.0​

Answer 1

Answer:

1.5

Explanation:

speed of light in vacuum or air /speed of light in medium.

so 3 x 10^8/ 2 x 10^8= 1.5

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