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Question

The refractive index of four mediums A, B, C, and D are 1.31,1.65, 1.44, 1.50 respectively the velocity of light is maximum in which? And how


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Solution

Step 1: Given information.

The Refractive index of four mediums A, B, C, and D are given below :

Medium Refractive index
A 1.31
B 1.65
C 1.44
D 1.50

Step 2: To find out.

The velocity of light is maximum in which medium? And how?

Step 3: On the basis of the question.

Now, velocity in any medium V=cμ

For A,
V=3×1081.31=2.29×108m/s

For B,

V=3×1081.65=1.81×108m/s

For C

V=3×1081.44V=2.08×108m/s

For D

V=3×1081.5=1.5×108m/s

Hence, A has maximum velocity because they have the least refractive index.


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