traitorman

7+ Year Member
Mar 3, 2010
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in my kaplan book, it says that to find a dark fringe during diffraction u use the formula asin0=nlambda.

(where a = slit width, 0 = theta)

But during interference, u use the same formula to find a maxima.

So in diffraction, u use it to find a dark fringe, and in interference you use it to find a light fringe? Is this correct?