CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 283 - 287 of 427

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Question number: 283

» Physical Chemistry » Principles of Quantum Mechanics » Particle-in-a-Box

Appeared in Year: 2014

MCQ▾

Question

Consider a particle in a cubic dimensional box. The degeneracy of the level that has an energy twice that of lowest level, is (June)

Choices

Choice (4) Response

a.

4

b.

3

c.

1

d.

2

Question number: 284

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Bonding Theories

Appeared in Year: 2015

MCQ▾

Question

Correct statement for bond lengthis in is (Dec CSIR)

Choices

Choice (4) Response

a.

Four bonds are longer than two others

b.

They are shorter than bond in

c.

Four bonds are shorter than two others

d.

All bonds are equal

Question number: 285

» Physical Chemistry » Principles of Quantum Mechanics » Orbital and Spin Angular Momenta

Appeared in Year: 2014

MCQ▾

Question

Operator are defined by where and are component of spin angular momentum operator. The commutator is (Dec)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 286

» Physical Chemistry » Principles of Quantum Mechanics » Particle-in-a-Box

Appeared in Year: 2013

MCQ▾

Question

For a particle in 1-D box in (0,2) an approximate function is given by . Average energy for such a system will obey: - (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 287

» Physical Chemistry » Principles of Quantum Mechanics » Orbital and Spin Angular Momenta

Appeared in Year: 2013

MCQ▾

Question

Wave function of a certain is linear combination,

Where are energy eigen functions with eigen values and What is the probability that system will be observed to be ? (June)

Choices

Choice (4) Response

a.

b.

c.

d.

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