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krishna.gopal (2327)

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Olaaa!! Perrrfect answer. 371  bad job dude!! I dont approve of this answer! 2  [611 rates]

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When maxima of one corresponds to minima of other. This happens when path difference is of the order of (0.5)(589.3)^2/(0.6) nm

This length is called coharence length and is given by (lamda average)^2/(2*delta lamda)

Krishna Gopal Singh
B.Tech Chemical Engg
IIT Delhi 2002
Currently doing PhD from IIT Delhi
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