CSIR Chemical Sciences: Questions 268 - 271 of 427

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Question number: 268

» Physical Chemistry » Principles of Quantum Mechanics » Postulates

Appeared in Year: 2013

MCQ▾

Question

Consider particle in one-dimensional box of length ‘a’ with following potential.

  1. Equation

  2. Equation

  3. Equation

  4. Equation

Taking zeroth order Hamiltonian, and potential Equation from Equation to ‘a’ as a perturbation, first- order energy correction to ground state is________ (Dec)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 269

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Spectral and Magnetic Properties

Appeared in Year: 2012

MCQ▾

Question

Correct d-electronic configuration showing spin orbit coupling is (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 270

» Physical Chemistry » Principles of Quantum Mechanics » Harmonic Oscillator and the Hydrogen Atom

Appeared in Year: 2014

MCQ▾

Question

Particle in a one-dimensional harmonic oscillator in x-direction is perturbed by a potential Equation (λ is number). First order correction to energy of ground state (June)

Choices

Choice (4) Response

a.

Is negative

b.

May be negative or positive but not zero.

c.

Is positive

d.

Is zero

Question number: 271

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

Appeared in Year: 2013

MCQ▾

Question

Difference in energy level of Equation of a particle in 1-D box is 6 unit. What would be difference in energy level of Equation and Equation for above system? (June)

Choices

Choice (4) Response

a.

5 unit

b.

10 unit

c.

9 unit

d.

4 unit

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