Задача 40951.

On the soap film (n = 1,3), which is in the air, is normally incident beam of white light. At least some of the film thickness d of the reflected light with a wavelength of 0.55 microns would be the maximum gain as a result of interference?

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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