Question

Light enter from sir to glass having refractive index 1. 5 what is the speet of lught in the glass . the speet of lught in vaccum is ×10 8 ms .​

Answer 1

Answer:

Given parameters

Speed of light in vacuum (c) = 3 × 108 ms-1

Refractive index of glass (ng) = 1.50

Find out

The speed of light in the glass

Formula

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

Refractive index of glass = Speed of light in vacuum/Speed of light in the glass

Speed of light in the glass (v) = Speed of light in vacuum/ Refractive index of glass

v = c/ng

v = (3 × 108)/1.50

v = 2 × 108 ms-1

Answer

The speed of light in glass = v = 2 × 108 ms-

Explanation:

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