Task 40235.
A plane light wave of 500 nm in length falls normal to a glass plate (n = 1.5) coated on both sides with a film of a transparent substance (n1 = 1.25). At what minimum thickness d of the films will the light pass through the plate with practically no reflection loss?
A detailed solution with a brief record of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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