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Two coherent sources each emitting light of intensity `I_(0)` Interfere, in a medium at a point, where phase different between them is `(2pi)/3`. Then

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Two coherent sources each emitting light of intensity `I_(0)` Interfere, in a medium at a point, where phase different between them is `(2pi)/3`. Then, the resultant intensity at that point would be.
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Given, phase difference, `phi=(2pi)/3`
and resultant intensity, `I= 4I_(0)cos^(2)(phi/2)=4I_(0)cos^(2)(phi/2)= I_(0)`
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