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S(1)S(2) are two coherent cources (havin...

`S_(1)S_(2)` are two coherent cources (having initial phase difference zero) of sound located along`x`-axis separated by `4 lambda` where `lambda` is wavelength of sound emitted by them. Number of maxima located on the ellopical boundry around it will be.

A

16

B

12

C

8

D

4

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A
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