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In the figure , the intensity of waves a...

In the figure , the intensity of waves arriving at D from two coherent soucrces `s_(1) and s_(2) is I_(0)`. The wavelength of the wave is ` lambda = 4 m` . Resultant intensity at D will be

A

`4 l_(0)`

B

`l_(0)`

C

`2l_(0)`

D

zero

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The correct Answer is:
C
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