Two slits at a distance of `1mm` are illuminated by a light of wavelength `6.5xx10^-7m`. The in
Channel: Doubtnut
Date: 19/01/2020

Two slits at a distance of `1mm` are illuminated by a light of wavelength `6.5xx10^-7m`. The interference fringes are observed on a screen placed at a distance of `1m`. The distance between third dark fringe and fifth bright fringe will be