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Light from a laser with a wavelength of 5.60 ✕ 102 nm is incident on (and...

Light from a laser with a wavelength of 5.60 ✕ 102 nm is incident on (and perpendicular to) a pair of slits separated by 0.320 mm. An interference pattern is formed on a screen 1.90 m from the slits. Find the distance (in mm) between the first and second dark fringes of the interference pattern (in mm)?

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