All GRE Subject Test: Physics Resources
Example Questions
Example Question #3 : Quantum Mechanics And Atomic Physics
If a ground state particle is in a one-dimension square well, where is the probability of finding the particle equal to zero?
Possible Answers:
the way in the box.
At the boundary.
None of these
In the middle.
the way in the box.
Correct answer:
At the boundary.
Explanation:
This is a fundamental concept question. For a ground state particle, the only place where the probability is equal to zero is at the boundary because the particle cannot be found there. He has to be in the box (not unlike a cat).
Gregory
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All GRE Subject Test: Physics Resources
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