Задача 40849.

A narrow beam of white light falls at an angle of 45 ° on the glass. Determine the divergence angle of the light beam in the glass, if the refractive indices for the red and violet rays of the class stele are 1.57 and 1.59 respectively.

Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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