Four optical media W, X, Y and Z have optical densities 1.35, 1.21, 1. – InterviewSolution

1.

Four optical media W, X, Y and Z have optical densities 1.35, 1.21, 1.58 and 1.002 respectively. ln which optical medium will the light travel fastest? (A) W(B) X(C) Y(D) Z

Answer»

Correct option (D) Z

Explanation:

The lesser the optical density, the more is the speed of light.

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