Quantum Mechanics-Motion in Central Potential (CSIR Physical Sciences): Questions 5 - 6 of 6

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Question number: 5

» Quantum Mechanics » Motion in Central Potential » Addition of Angular Momenta

Appeared in Year: 2013

MCQ▾

Question

The expectation value of the x – component of the orbital angular momentum Lx in the state, ψ=15[3ψ2, 1,1+5ψ2, 1,011ψ2, 1,+1]

(Where ψnlm are the eigenfunction in usual notation), is – (December -2013)

Choices

Choice (4) Response

a.

1025(11+3)

b.

2

c.

0

d.

1025(113)

Question number: 6

» Quantum Mechanics » Motion in Central Potential » Hydrogen Atom

Appeared in Year: 2011

MCQ▾

Question

A particle in one dimension moves under the influence of a potential V(x)=ax6 , where a is a real constant. For large n the quantized energy level En depends on n as: (June)

Choices

Choice (4) Response

a.

En~n3

b.

En~n43

c.

En~n32

d.

En~n65

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