Question

If refractive index of glass is 3 2
. Then find the speed of the light in glass. (Speed of light in vaccum is 3 x 108 m/s)

Answer 1

Answer:

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Explanation:

n₂ / n₁ = v₁ / v₂

3/2 = 3 * 10⁸ /v₂

v₂ = 2 * 10⁸ m/s