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Estimate the index of refraction of the substance

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Reference no: EM13548518

A laser beam is traveling through an unknown substance. When it encounters a boundary with air, the angle of reflection is 24.9° and the angle of refraction is 43.0°.

(a) What is the index of refraction of the substance?

(b) What is the speed of light in the substance?

m/s

(c) At what minimum angle of incidence would the light be totally internally reflected?

°

Reference no: EM13548518

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