In a Young's double slits experiment, the slit are 1 mm apart and are illuminated
Channel: Doubtnut
Date: 2020-04-12

In a Young's double slits experiment, the slit are 1 mm apart and are illuminated with a mixture of two wavelengths `lamda = 750 nm` and `lamda' = 900 nm` and distance between slit and screen is 2m. At what minimum distance (in nm) form the common central bright fringe on a screen the bright fringe frm one interference pattern coincides with a bright from the other ?