Physics, 25.04.2020 01:56, cezzypezzyceezy776

A 611-nm-thick soap film (n = 1.41) in air is illuminated with white light in a direction perpendicular to the film. For how many different wavelengths in the 300 to 700 nm range is there (a) fully constructive interference and (b) fully destructive interference in the reflected light?

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A 611-nm-thick soap film (n = 1.41) in air is illuminated with white light in a direction perpendicu...