Quantum Mechanics (CSIR Physical Sciences): Questions 34 - 36 of 71

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Question number: 34

» Quantum Mechanics » WKB Approximation

Appeared in Year: 2014

MCQ▾

Question

Consider a particle of mass m in the potential Equation . The energy eigenvalues Equation , in the WKB approximation, are – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 35

» Quantum Mechanics » Spin-Statistics Connection

Appeared in Year: 2011

MCQ▾

Question

The Hamiltonian of an electron in a constant magnetic field Equation is given by Equation where Equation is a positive constant and Equation denotes the Pauli matrices. Let Equation and Equation be the Equation unit matrix. Then the operator Equation simplifies to – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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 Equation ; where Equation , is calculated with the variational trial function Equation is (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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