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Q. Coherent light with wavelength 590 mm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 m from the slits. The first-order bright fringe is a distance of 4.84 mm from the center of central bright fringe. For what wavelength of light will the first-order dark fringe be observed at this similar point on the screen? For what wavelength of light would the first-order dark fringe be observed at this same point on the screen?

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