Question

state the law of reflection of light if the speed of light in vaccum is 3x108 ms find the speed of light in a medium of absolute refractive index

Answer 1

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HERE IS UR ANSWER.

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Refractive index of a medium = Speed of light in vacuum/Speed of light in a medium

1.5 = 3 x 108 / Speed of light in medium

Speed of light in the medium = 3 x 108 /1.5
= 2 x 108 m/s

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