Red light of wavelength 644 nm, from a point source, passes through two parallel and narrow slits which are 1.00

Red light of wavelength 644 nm, from a point source, passes through two parallel and narrow slits which are 1.00 mm apart. Determine the distance between the central bright fringe and the third dark interference fringe formed on a screen parallel to the plane of the slits and 1.00 m away. ​


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