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Physics, 12.03.2020 17:28 tatim210

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 470 nmnm ? The index of refraction of the film is 1.33, and there is air on both sides of the film.

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What is the thinnest soap film (excluding the case of zero thickness) that appears black when illumi...
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