A thin film with index of refraction n ! 1.40 is placed in
Chapter , Problem 80(choose chapter or problem)
A thin film with index of refraction n ! 1.40 is placed in one arm of a Michelson interferometer, perpendicular to the optical path. If this causes a shift of 7.0 bright fringes of the pattern produced by light of wavelength 589 nm, what is the film thickness?
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