Question: A laser beam is traveling through an unknown substance. When it encounters a boundary with air, the angle of reflection is 25.0 and the

A laser beam is traveling through an unknown substance. When it encounters a boundary with air, the angle of reflection is 25.0 ° and the angle of refraction is 37.0°.
(a) What is the index of refraction of the substance?
(b) What is the speed of light in the substance?
(c) At what minimum angle of incidence would the light be totally internally reflected?

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a The angle of incidence is equal to the angle of reflection Use Snells law Eq 234 The a... View full answer

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