In the figure shown S(1)O-S(2)O=S(3)O-S(...

In the figure shown `S_(1)O-S_(2)O=S_(3)O-S_(2)O=(lambda)/(4)`, Intensity at O due to any one of the slits is `I_(0)`. What is the intensity due to all the three coherent sources `S_(1), S_(2) and S_(3)` ?

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`5I_0`

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