ch35-p023 - 23. Let the distance in question be x. The path...

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23. Let the distance in question be x . The path difference (between rays originating from S 1 and S 2 and arriving at points on the x > 0 axis) is dxxm 22 1 2 +− = + F H G I K J λ, where we are requiring destructive interference (half-integer wavelength phase differences) and 0,1, 2, . m = " After some algebraic steps, we solve for the distance in
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