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classes_winter09_113AID28_P_15_113A_W09

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Preview #15 (Chem113A W’09, due Mon. 2/9/09 at 12:05pm in class) Assigned reading: Engel 6.3—6.4 Attendance record : I am [ ] present at or [ ] absent from this class meeting (see date and time above). Name: ________________________ Forming study groups is permissible, but you must construct your solutions independently. By writing down my name, I confirm that I strictly obey the academic ethic code when doing this preview and my statement on attendance (above) is correct. Please write down the names of everyone who you worked with on this preview in the space above. [1] Heisenberg Uncertainty Principle.
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Unformatted text preview: [1](a) Please calculate σ x , the uncertainty in position x, for a particle (mass m ) in a 1D box with length L at n=2 eigenstate. Please show algebraic details; do not just plug the numbers into the formula on p. 91. [1](b) Same as [1](a), but please calculate σ p , the uncertainty in linear momentum p. Please show algebraic details; do not just plug the numbers into the formula on p. 91. [1](c) Based on your answers [1](a) and [1](b), please calculate the uncertainty product ∆ x ∆ p . Is your result consistent with Heisenberg’s Uncertainty Principle ∆ x ∆ p ≥ ħ/2 ?...
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