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Unformatted text preview: Please justify your answer. (c) Without trying to solve the Schrdinger equation for this potential, explain how the allowed energies for the electron in this potential will compare to those of the finite square well potential. Be as detailed as possible, and provide your reasoning. x V(x) x = 0 V = 0 x = L V o V(x) ~ eEx 3) An electron in free space is illuminated by light for an interval of t, causing it to move with an energy of about E = 0.1 eV. The uncertainty in its speed is 30m/s. (a) At what approximate speed does it move? (Assume that it is slow enough that you need not take into account relativistic effects.) (b) What is the minimum uncertainty in its position? (c) What is the uncertainty in its energy? (d) What is the minimum amount of illumination time t ?...
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This note was uploaded on 09/20/2010 for the course PHYS 486 taught by Professor Staff during the Fall '08 term at University of Illinois, Urbana Champaign.
 Fall '08
 Staff
 Work, Quantum Physics

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