Quantum Mechanics [CSIR (Council of Scientific & Industrial Research) Physical Sciences]: Questions 30 - 34 of 116
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Question 30
Appeared in Year: 2011
Question MCQ▾
The energy of the first excited quantum state of a particle in the two dimensional potential is – (December)
Choices
Choice (4) | Response | |
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Question 31
Appeared in Year: 2014
Question MCQ▾
Let (where and are constants with ) be a linear combination of the wavefunction of the ground and first excited states of the one – dimensional harmonic oscillator. For what value of is the expectation value a maximum? (December)
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Question 32
Appeared in Year: 2014
Question MCQ▾
A collection N of non – interacting spins , is kept in an external magnetic field B at a temperature T. The Hamiltonian of the system is . What should be the minimum value of for which the mean value ? (December)
Choices
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d. |
Question 33
Appeared in Year: 2011
Question MCQ▾
If the perturbation , where is a constant; is added to the infinite square well potential
The first order correction to ground state energy is:- (June)
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d. |
Question 34
Appeared in Year: 2014
Question MCQ▾
Consider a particle of mass m in the potential . The energy eigenvalues , in the WKB approximation, are – (December)
Choices
Choice (4) | Response | |
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