Two coherent sources of intensities, I1 and I2 produce an interference pattern. The maximum intensity in the interference pattern will be

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I1+I2

I12+I22

I1+I22

answer is D.

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Detailed Solution

Resultant intensity IR=I1+I2+2I1I2cos⁡ϕ For maximum IR,ϕ=0∘ ⇒IR=I1+I2+2I1I2=I1+I22

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