Question: A soap film (n = 1.33) is 490 nm thick and lies on a glass plate (n = 1.52) Sunlight, whose (in vacuum) extend from
A soap film (n = 1.33) is 490 nm thick and lies on a glass plate (n = 1.52) Sunlight, whose (in vacuum) extend from 380 to 750 nm, travels through the air and strikes the film perpendicu For which wavelength(s) in this range does destructive interference cause the film to look dar in reflected light
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