Question

light enters from air into a glass plate having reflection index 1.5 what is speed of light in glass​

Answer 1

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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 

Answer 2

Answer:

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

Explanation:

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