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Light travels at 3.0 × 108 m/s in a vacuum and slows to 2.0 × 108 m/s in glass. What is the index of refraction of glass?

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dahr73000
1.5 is your answer for your question
anniwuanyanwu1

Answer:

The index of refraction,n= 1.5

Explanation:

Index of refraction, n is given by:

n = c/ v

Given: c = speed of light= 3.0×10^8m/s

v= speed of light in glass= 2.0×10^8m/s

n= (3.0×10^8)/(2.0×10^8)

n= 1.5

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