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Course Home < HW09 Problem 26.10 Coherent light with wavelength of 600 nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.50 m from the slits. The first-order bright fringe is at 4.74 mm from the center of the central bright fringe. Part A For what wavelength of light will the first-order dark fringe be observed at this same point on the screen? Express your answer with the appropriate units. 1.35 Submit Previous Answers Request Answer X Incorrect; Try Again; 7 attempts remaining Provide Feedback