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A light ray enters from medium A to medi...

A light ray enters from medium A to medium B as shown in Figure. The refractive index of medium A relative to B will be

A

Greater than unity

B

Less than unity

C

Equal to unity

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
A
Since, light rays in medium B goes towards normal. So it has greater refractive index and lesser velocity of light with respect to medium A. So refractive index of medium B with respect to medium A is greater than unity.
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