Physics for Scientists and Engineers with Modern Physics, Technology Update
Physics for Scientists and Engineers with Modern Physics, Technology Update
9th Edition
ISBN: 9781305401969
Author: SERWAY, Raymond A.; Jewett, John W.
Publisher: Cengage Learning
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Chapter 41, Problem 7OQ
To determine

The numerical value of Ψ(x) in units of nm1/2 .

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For a quantum particle of mass m in the ground state of a square well with length L and infinitely high walls, the uncertainty in position is Δx ≈ L. (a) Use the uncertainty principle to estimate the uncertainty in its momentum.(b) Because the particle stays inside the box, its average momentum must be zero. Its average squared momentum is then ⟨p2⟩ ≈ (Δp)2. Estimate the energy of the particle. (c) State how the result of part (b) compares with the actual ground-state energy.
A hypothetical one dimensional quantum particle has a normalised wave function given by (x) = ax - iß, where a and 3 are real constants and i = √-1. What is the most likely. x-position, II(x), for the particle to be found at? 0 11(x) == ○ II(2) = 0 ○ II(r) = 2/ O II(z) = 011(r) = ± √ +√ 13 a
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Physics for Scientists and Engineers with Modern Physics, Technology Update

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