Light enters from air to water having refractive index 1.33, what is the speed of light in water [the speed of light in vacuum is 3x108 ms-1 ] ?
Answers
Answered by
0
The speed of light doesn't changes in any medium.
Answered by
4
Answer:
2.25 × 10⁸ m / sec
Explanation:
Given :
Refractive index of water = 1.33
Speed of light in air = 3 × 10⁸ m / sec.
We know :
Refractive index = Speed of light in air / Speed of light in water
Speed of light in water = Speed of light in air / Refractive index.
Putting value we get :
Speed of light in water = 3 × 10⁸ m / sec / 1.33 .
Speed of light in water = 2.25 × 10⁸ m / sec
Hence speed of light in water is 2.25 × 10⁸ m / sec
Similar questions