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Which term is defined as the ratio of the speed of light in a vacuum to the speed of light in the material it is passing through?

A. Index of reflection

B. Index of refraction

C. Angle of reflection

D. Angle of incidence

User Thedrs
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2 Answers

5 votes

Answer:

its B :)

your welcome c:

User MAG
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7 votes
it's B, index of refraction.
User Ege Hurturk
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