Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Two beams of light having intensities I and 4I interfere to produce a fringe pattern on a screen. The phase different between the beam is `pi/2` at point A and `pi` at point B. Then the difference between resultant intensities at A and B is - Sarthaks eConnect

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

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

A.

2I

B.

4I

C.

5I

D.

7I