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Question #59f88

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Oct 2, 2017

For a path difference $δ$ $delta$ between the two interfering rays with wavelength $λ$ $lamda$ ,
Conditions for interference -

Constructive interference -

$δ = n λ$ $delta = nlamda$

Destructive interference -

$δ = (n + \frac{1}{2}) λ$ $delta = (n + 1/2)lamda$

where $n$ $n$ in either case is an integer.

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