Thermodynamic and Statistical Physics-Micro- and Macro-States (CSIR Physical Sciences): Questions 1 - 3 of 3

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Question number: 1

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

Appeared in Year: 2012

MCQ▾

Question

Consider a system of non – interacting particle in d dimensions obeying the dispersion relation ε=AkS, where ε is the energy, k is wavevector, s is an integer and A a constant. The density of states, N(ε), is proportional to – (June)

Choices

Choice (4) Response

a.

εds1

b.

εds+1

c.

εsd+1

d.

εsd1

Question number: 2

» 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 Γ by S=kBlnΓ(E,N,V) where E, N and V are the energy, number of particles and volume respectively. From this one can conclude that Γ – (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

Question number: 3

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

Appeared in Year: 2012

MCQ▾

Question

The number of ways in which N identical bosons can be distributed in two energy levels, is – (June)

Choices

Choice (4) Response

a.

N(N1)2

b.

N(N+1)2

c.

N+1

d.

N

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