Physics
The speed of light in air is 3 x 108 m s-1. Calculate the speed of light in glass. The refractive index of glass is 1.5.
Refraction Plane Surfaces
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Answer
As we know,
Given,
Refractive index of glass, μ = 1.5
Speed of light in air, C = 3 × 108 m / s
Substituting the values in the formula above we get,
Hence, Speed of light in glass = 2 × 108 m s-1
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