A parallel beam of monochromatic light of wavelength 450 nm passes through a long slit of width 0 2 mm Find the angular

Question

A parallel beam of monochromatic light of wavelength 450 nm passes through a long slit of width 0 2 mm Find the angular divergence in which most of the light is diffracted in radian 4 5 x 10 3 2 25 10 3 2 10 3 1125 x 10 3

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