Задача 40778.

A plane light wave length of 500 nm falls along the normal to the glass plate (n = 1,5), coated on both sides with a transparent substance film (n1 = 1,25). At what minimum film thickness light will pass through the plate with almost no reflection losses?

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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