Quantum Mechanics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 14  17 of 80
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Question number: 14
» Quantum Mechanics » SpinOrbit Coupling
Appeared in Year: 2012
Question
The minimum energy of a collection of 6 non – interacting electrons of spin and mass placed in a one dimensional infinite square well potential of width L is – (December)
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Question number: 15
» Quantum Mechanics » Commutators and Heisenberg Uncertainty Principle
Appeared in Year: 2012
Question
Given the usual canonical commutation relation, the commutator of and is  (December)
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Question number: 16
» Quantum Mechanics » Commutators and Heisenberg Uncertainty Principle
Appeared in Year: 2014
Question
Let and denote, respectively, the coordinate and momentum operators satisfying the canonical commutation relation in natural units. Then the commutator is – (December)
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Question number: 17
» Quantum Mechanics » Variational Method
Appeared in Year: 2012
Question
The wave function of a state of the hydrogen atom is given by,
Where, is the normalized eigen function of the state with quantum numbers n, l and m in the usual notation. The expectation value of is the state is – (December)
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