CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 254 - 256 of 427

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Question number: 254

» Physical Chemistry » Principles of Quantum Mechanics » Tunneling

Appeared in Year: 2014

MCQ▾

Question

A quantum particle with fixed initial energy is allowed to strike four barrier. The transmission Probability is maximum in (Dec)

Choices

Choice (4) Response

a.

Maximum transmission probability is in: Choice A

Maximum Transmission Probability Is in: Choice A

Maximum transmission probability is in

b.

Maximum transmission probability is in: Choice B

Maximum Transmission Probability Is in: Choice B

Maximum transmission probability is in

c.

Maximum transmission probability is in: Choice C

Maximum Transmission Probability Is in: Choice C

Maximum transmission probability is in

d.

Question does not provide sufficient data or is vague

Question number: 255

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

Appeared in Year: 2013

MCQ▾

Question

Quantum mechanical virial theorem for a general potential is given by where T is kinetic energy operator and < > indicates expectation value. This leads to following relation between expectation value of kinetic energy and potential energy for a quantum mechanical harmonic oscillator with potential (Dec)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 256

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

Appeared in Year: 2015

MCQ▾

Question

Three electronic spectra at 14900,22700 and 34400 are observed in absorption spectrum of . The value (in ) and corresponding transition are (Dec)

Choices

Choice (4) Response

a.

b.

c.

d.

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