Question

light enters from air to glass having refrective index 1.5. what is the speed of light in glass? the speed of air is 3×10⁸ m/s​

Answer 1

Answer:

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Answer 2

Answer:

Given that,

Refractive index μ=1.50

Speed of light c=3×108m/s

We know that,

  ng=vgc

 vg=1.503×108

 vg=2×108m/s

Hence, the speed of light in glass is 2×108m/s 

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