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Unformatted text preview: the bright fringes? Since the condition for a bright fringe is d sin m = m , in order to increase the fringe separation, you must move the screen further from the slits or increase m-1 . To do the latter, you must either decrease d or increase . Submerging the apparatus in water has the effect of changing to /1.33, and thus it decreases instead....
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- Spring '08