Physics, 31.03.2020 03:23 pin193179

Light of wavelength 550 nm comes into a thin slit and produces a diffraction pattern on a board 8.0 m away. The first minimum dark fringe appears 3 mm from the central maximum. What is the width of the slit?

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Light of wavelength 550 nm comes into a thin slit and produces a diffraction pattern on a board 8.0...