Quantum Mechanics-Timeindependent Perturbation Theory and Applications (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 5 - 8 of 8

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Question number: 5

» Quantum Mechanics » Timeindependent Perturbation Theory and Applications

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Appeared in Year: 2013

MCQ▾

Question

Consider a two – dimensional infinite square well,

Its normalized eigenfunction are;

Where, If a perturbation is applied, then the correction to the energy of the first excited state to order is – (June – 2013)

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 6

» Quantum Mechanics » Timeindependent Perturbation Theory and Applications

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Appeared in Year: 2012

MCQ▾

Question

The perturbation, acts on a particle of mass confined in an infinite square well potential

The first order correction to the ground – state energy of the particle is –

(December)

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 7

» Quantum Mechanics » Timeindependent Perturbation Theory and Applications

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Appeared in Year: 2011

MCQ▾

Question

A constant perturbation as shown in the figure below acts on a particle of mass confined in an infinite potential well between 0 and L.

A constant perturbation is given

A Constant Perturbation is Given

The first – order correction to the ground state energy of the particle is –

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 8

» Quantum Mechanics » Timeindependent Perturbation Theory and Applications

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Appeared in Year: 2012

MCQ▾

Question

Consider an electron in a box of length L with periodic boundary condition . If the electron is in the with energy , what is the correction to its energy, to second order of perturbation theory, when it is subjected to weak periodic potential , where is an integral multiple of the ? (June)

Choices

Choice (4)Response

a.

b.

c.

d.

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