CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 222 - 225 of 463

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Question number: 222

» Quantum Mechanics » Elementary Theory of Scattering » Phase Shifts

Appeared in Year: 2014

MCQ▾

Question

A double slit interference experiment uses a laser emitting light of two adjacent frequencies and . The minimum path difference between the interfering beams for which the interference pattern disappears is – (June -2014)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 223

» Thermodynamic and Statistical Physics » Thermodynamic Potentials

Appeared in Year: 2014

MCQ▾

Question

A Carnot cycle operates as a heat engine between two bodies of equal heat capacity until their temperature become equal. If the initial temperature of the bodies are and , respectively, and , then their common final temperature is – (Dec– 2013)

Choices

Choice (4) Response

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b.

c.

d.

Question number: 224

» Quantum Mechanics » Elementary Theory of Scattering » Born Approximation

Appeared in Year: 2013

MCQ▾

Question

In the Born approximation, the scattering amplitude for the Yukawa potential,

Is given by, (in the following ) (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 225

» Classical Mechanics » Dynamical System

Appeared in Year: 2014

MCQ▾

Question

A canonical transformation relates the old coordinates to the new ones by the relations and . The corresponding time – independent generating function is – (June – 2014)

Choices

Choice (4) Response

a.

b.

c.

d.

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