Physics · 2022
JEE Main · 29 July 2022, Shift 1 · Q57
Two light beams of intensities 4I and 9I interfere on a screen. The phase difference between these beams on the screen at point A is zero and at…
Two light beams of intensities 4I and 9I interfere on a screen. The phase difference between these beams on the screen at point A is zero and at point B is $\displaystyle \pi$. The difference of resultant intensities, at the point A and B, will be \_\_\_\_ I.
Official answer
24
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