Two beam of light having intensities I and 4I interfere to produce a fringe pattern on a screen.
Channel: Doubtnut
Date: 2020-02-16

Two beam of light having intensities I and 4I interfere to produce a fringe pattern on a screen. The phase difference between the beams is `(pi)/(2)` at point A and `pi` at point B. Then the difference between resultant intensities at A and B is : `(2001 , 2M)`