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Physics 15 Online
OpenStudy (s3a):

(Heisenberg's Uncertainty Principle) For the attached problem, shouldn't Δx ~ λ/sinθ be Δx ~ λ/sinθ - -λ/sinθ = 2λ/sinθ instead such that the final answer is Δx Δp_x ~ 8πħ? The problem (along with its solution): http://i.imgur.com/zJbw1.jpg

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