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Two beams 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 the resultant intensities at A and B is

A

2I

B

4I

C

5I

D

7I

Text Solution

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The correct Answer is:
B
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