Question

Light enters from air to glass having refracting index 1.50,what is speed of light in glass

Answer 1

Explanation:

Your answer refer in Attachment

Thank you

Answer 2

Here, refractive index, n = 1.5, speed of light in vacuum = c 3 x 108 m s-1  speed of light in glass,  

From,        n=c/v

                           =>v=c/n

                                =3 x 10^8/1.5

                                            v =2 x 10^8

Hope u got it

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