ch35-p093 - 93. (a) A path length difference of /2 produces...

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93. (a) A path length difference of λ /2 produces the first dark band, of 3 λ /2 produces the second dark band, and so on. Therefore, the fourth dark band corresponds to a path length difference of 7 λ /2 = 1750 nm = 1.75 µ m. (b) In the small angle approximation (which we assume holds here), the fringes are
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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