The two light beams having intensities I and 9I interfere to produce a fringe pattern on a screen. The phase difference between the beams is $\pi$/2 at point P and $\pi$ at point Q. Then the difference between the resultant intensities at P and Q will be :

Question

2 I

6 I

5 I

7 I

Solution

Please login to view the detailed solution steps...

Go to DASH