What is the minimum value for which the beam will not emerge

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Reference no: EM13280295

An equilateral glass prism w/ an index 1.42 has a beam of light incident on one face at an angle of θi to the normal. Determine the angle at which it emerges from an adjacent face of the prism. What is the minimum value of θi for which the beam will not emerge from the adjacent face?

Reference no: EM13280295

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