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A soap film (n = 1.33) is formed in a loop of wire that is mounted...

A soap film (n = 1.33) is formed in a loop of wire that is mounted vertically is not exactly uniform in thickness because of its weight, but wedge-shaped in cross section. When the film is illuminated with violet light of wavelength 405 nm, one sees that a distance of 2.20 cm separates two bright fringes that are 4 orders apart. By how much does the film differ in thickness over this distance?

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genius_generous answered 1 year ago
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