Physics · 2022
JEE Main · 25 June 2022, Shift 1 · Q43
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 π / 2 at…
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 $\displaystyle \pi / 2$ at point P and $\displaystyle \pi$ at point Q . Then the difference between the resultant intensities at P and Q will be :
Official answer
(2)
$\displaystyle 6$ I
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