Red light of wavelength 633 nm from a helium-neon laser passes through a slit 0.300 mm wide. the diffraction pattern is observed on a screen 3.40 m away. define the width of a bright fringe as the dis

Red light of wavelength 633 nm from a helium-neon laser passes through a slit 0.300 mm wide. the diffraction pattern is observed on a screen 3.40 m away. define the width of a bright fringe as the distance between the minima on either side.