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Today at 6:28 AM
Physics

Answered

what is the index of refraction in quartz if light travels at 2.0567 x 108m/s when in quartz?

Answer :

Today at 6:33 AM

Index of refraction of a substance =

(speed of light in vacuum) / (speed of light in the substance)

Index in quartz = (2.9979 x 10⁸ m/s) / (2.0567 x 10⁸ m/s)

Index = 1.4576 (no units)

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