CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 80 - 82 of 463

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Question number: 80

» Classical Mechanics » Dynamical System

Appeared in Year: 2011

MCQ▾

Question

A constant force F is applied to applied to a relativistic particle of rest mass m. If the particle starts from rest at Equation , its speed after a time Equation is - (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 81

» Quantum Mechanics » Motion in Central Potential » Angular Momentum Algebra

Appeared in Year: 2014

MCQ▾

Question

Consider the normalized wavefunctionEquation ; where Equation is a simultaneous normalized eigenfunction of the angular momentum operators Equation andEquation , with eigenvalue Equation and Equation respectively. If Equation is an eigenfunction of the operator Equation with eigenvalue Equation then - (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 82

» Thermodynamic and Statistical Physics » Micro- and Macro-States

Appeared in Year: 2012

MCQ▾

Question

The entropy of a system, S, is related to the accessible phase space volume Equation by Equation where E, N and V are the energy, number of particles and volume respectively. From this one can conclude that Equation – (December)

Choices

Choice (4) Response

a.

Oscillates during evolution to equilibrium

b.

Does not change during evolution to equilibrium

c.

Is a maximum at equilibrium

d.

Is a minimum at equilibrium

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