Question: (a) Name two quantum-mechanical systems that have an infinite number of bound-state energy levels. (b) Name a quantum-mechanical system that has a finite number of

(a) Name two quantum-mechanical systems that have an infinite number of bound-state energy levels.
(b) Name a quantum-mechanical system that has a finite number of bound-state energy levels.
(c) Name a quantum-mechanical system that has no zero-point energy.

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