A single slit of width `0.20 mm` is illuminated with light of wavelength `500 nm`. The observing
Channel: Doubtnut
Date: 2020-08-16

A single slit of width `0.20 mm` is illuminated with light of wavelength `500 nm`. The observing screen is placed `80 cm` from the slit. The width of the central bright fringe will be