in the below image,will there be complete destructive interference when s4 is placed in front of s3 and where does that energy go.can it be extracted from the system.
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Qmechanic
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Rishabh Jain
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1You could say that $S3$ was a source of light and $S4$ a perfect absorber of the light from $S3$. – Farcher Jan 30 '17 at 08:52
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I don't understand, two sources can form an interference pattern (a sequence of minima and maxima), they do not just cancel out each other globally... – MsTais Jan 30 '17 at 15:53