Question

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
c) medium C
d) medium A​

Answer 1

Answer:

The answer is option D medium A as the medium which has less refractive index the light will travel fast in that medium

Answer 2

Medium A will have maximum speed of light.

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 :

$n=\dfrac{c}{v}$

c is speed of light

v is 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. So, the correct option is (d) "medium A".

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