In Young's experiment, interference bands are produced on the screen placed at 1
Channel: Doubtnut
Date: 30/08/2020

In Young's experiment, interference bands are produced on the screen placed at 1.5 m from the two slits 0.15 mm apart and illuminated by light of wavelength `6599 Å`. Find (a) the fringe width and (b) the change in the fringe width if the screen is taken away from the slit by 50 cm.