Unformatted text preview: fringe is located by sin 2 2 Î» where , 2 Î» d = is the wavelength we are seeking. d R R R y 2 Î» sin tan 2 = â‰ˆ = We want 2 Î» such that . 1 y y = This gives 1200 Î» 2 Î» and 2 Î» Î» 1 2 2 1 = = = d R d R nm....
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 Spring '08
 HU
 Light, 4 m, 9 m, 3.00 m, bright fringe

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