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Figure shows two coherent sources S(1) a...

Figure shows two coherent sources `S_(1)` and `S_(2)` vibrating in same phase. AB in an irregular wire lying at a far distance from the sources `S_(1)` and `S_(2). `Let `(lambda)/(d) = 10^(-3) /_ BOA = 0.12^(@)`. How many bright spots will be seen on the wire, including points A and B?

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