Question

Light enters from air to glass having refractive index 1.50. What is the speed of light in the glass? The speed of light in vacuum is 3 x 108 ms-1.
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Answer 1

Answer:

Explanation:

refractive index=speed in any medium/speed in glass

1.50=3×10^-8/speed in glass

speed in glass=3×10^-1/1.50

speed in galss=2×10^8

Hope it helps u^_^

Answer 2

Hey Buddy ❤

Your Answer -

Given :

Speed of light in vacuum, c = 3 × 10^8 m/s

Refractive index of glass = 1.50

Formula :

Refractive index of a medium = Speed of light in vacuum/Speed of light in the medium

Solution :

Speed of light in the glass

= Speed of light in vacuum/ Refractive index of glass

=3 × 10^8/1.50

= 2x 10^8 ms-1

Glad To Help :D

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