p39_077 - p = 0 . 080 p . We would expect the measured...

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77. We use the uncertainty relationship ∆ x p ¯ h . Letting ∆ x = λ , the de Broglie wavelength, we solve for the minimum uncertainty in p : p = ¯ h x = h 2 πλ = p 2 π where the de Broglie relationship p = h/λ is used. We use 1 / 2 π =0 . 080 to obtain ∆
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Unformatted text preview: p = 0 . 080 p . We would expect the measured value of the momentum to lie between 0 . 92 p and 1 . 08 p . Measured values of zero, 0 . 5 p , and 2 p would all be surprising....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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