A single slit of width 0 20 mm is illuminated with the light of wavelength 500 nm The screen is placed 80 cm from the slit The

Question

A single slit of width 0 20 mm is illuminated with the light of wavelength 500 nm The screen is placed 80 cm from the slit The width of the central bright fringe will be 0 1 mm 0 2 mm O 4mm O 5mm

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