Midterm2Review_Pretest

Midterm2Review_Pretest - C. No, the probability density is...

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Midterm2 Review Pretest Name: _______________________________________ CU ID: ____________________ Consider a quantum mechanical system with the potential shown at the right. The system is prepared so that at t=0, it is in a state described by a wave function identical to that of the ground state of the infinite square well. That is, Ψ x ,0 ( 29 = 2 L sin( π x L ) Ψ ( x ,0) = 0 0 < x < L x 0, x L Q1: a) Does the wave function associated with this state depend on time? A. Definitely yes B. It depends (specify below) C. No, this wave function is time independent b) If so, describe how you would write down its time dependence. If no, explain why not. Q2: a) Does the probability density associated with this state depend on time? A. Definitely yes B. It depends (specify below)
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Unformatted text preview: C. No, the probability density is time independent b) If so, describe its time dependence. If not, explain why not. 2010 Steve Goldhaber and the Physics Education Group University of Colorado at Boulder Q3: a) How many boundary conditions are there for this system for a situation which describes particles which approach from the right? A. 0 B. 1 C. 2 D. 3 E. More than 3 b) Describe in words the boundary conditions for this system for a situation which describes particles which approach from the right. If there are no boundary conditions (answer of zero in part a), explain why. 2010 Steve Goldhaber and the Physics Education Group University of Colorado at Boulder...
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Midterm2Review_Pretest - C. No, the probability density is...

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