Question

5.
Refractive index of four medium A, B, C and D are 1.31. 1-65, 1-44 and
1-50 respectively. The velocity of light is maximum in
(A) medium B
(B). medium D
(D) medium A.
(C) medium C
PPT-034​

Answer 1

Answer:

medium A

Explanation:

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Answer 2

Thus medium A will have maximum speed light.

Option D is correct

Explanation:

The refractive index of a medium is given by the ratio of the speed of light in vacuum to the speed of light in a medium. It is given by :

c = speed of light

v = speed of light in a medium.

It is clear that the refractive index is inversely proportional to the speed of light in a medium.

So, the medium in which refractive index is less will have maximum speed of light.