Coherent Light With Wavelength 602 Passes Through Two Very Narrow Slits And The

Coherent light with wavelength 602 passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 from the slits. The first-order bright fringe is a distance of 4.84 from the center of the central bright fringe.For what wavelength of light will the first-order dark fringe be observed at this same point on the screen?

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