Question

the absolute refractive index of water is 1.36. What is the velocity of the light in water
(velocity of light in vaccum=3 x 10^8 (ten raised to 8) m/s.

Answer 1

Explanation:

Refractive index = Speed of light in vacuum / Speed of light in water

Speed of light in water = Speed of light in vacuum / Refractive index

Speed of light in water = 3 x 10^8 / 1.36

Speed of light in water = 2.205 x 10^8.

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