Quantum Mechanics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 36 - 38 of 80

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Question number: 36

» Quantum Mechanics » Relativistic Quantum Mechanics » Dirac Equations

Appeared in Year: 2014

MCQ▾

Question

The ground state energy of the attractive delta function potential ; where, is calculated with the variational trial function is (December)

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Question number: 37

» Quantum Mechanics » Motion in Central Potential » Angular Momentum Algebra

Appeared in Year: 2011

MCQ▾

Question

Consider a particle in a one dimensional potential that satisfies. Let and denote the ground and the first excited states, respectively, and let be a normalized state with and being real constants. The expectation value of the position operator in the state is given by, - (December)

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Choice (4) Response

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Question number: 38

» Quantum Mechanics » Spin-Statistics Connection

Appeared in Year: 2014

MCQ▾

Question

The effective spin – spin interaction between the electron spin and the proton spin in the ground state of the Hydrogen atom is given by . As a result of this interaction the energy levels split by an amount – (December)

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Choice (4) Response

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