Can the index of refraction of a substance be less than 1? If not, why not?

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The Physical Universe

ISBN: 978-0077862619

16th edition

Authors: Konrad B Krauskopf, Arthur Beiser

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Question Posted: Mar 11, 2020 05:14 AM

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Can the index of refraction of a substance be less than 1? If not, why not?

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No because nothing travels faster ...View the full answer

The Physical Universe

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