Thermodynamics and Statistical Physics-Macrostates and Microstates (GATE Physics): Questions 1 - 4 of 5

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Question number: 1

» Thermodynamics and Statistical Physics » Macrostates and Microstates

Appeared in Year: 2015

MCQ▾

Question

Consider a system of N non – interacting spin 12 particles, each having a magnetic moment μ , is in a magnetic field B=Bz^ . If E is the total energy of the system, the number of accessible microstates Ω is given by,

Choices

Choice (4) Response

a.

Ω=(NEμB)!(N+EμB)!

b.

Ω=12(NEμB)!12(N+EμB)!

c.

Ω=N!12(NEμB)!12(N+EμB)!

d.

Ω=N!(N+EμB)!

Question number: 2

» Thermodynamics and Statistical Physics » Macrostates and Microstates

Appeared in Year: 2012

MCQ▾

Question

The isothermal compressibility, κ of an ideal gas at temperature T0 and volume V0 is given by,

Choices

Choice (4) Response

a.

1V0VP T0

b.

1V0PV T0

c.

1V0VP T0

d.

V0PV T0

Question number: 3

» Thermodynamics and Statistical Physics » Macrostates and Microstates

Appeared in Year: 2011

MCQ▾

Question

A system of N non – interacting and distinguishable particle of spin 1 is in thermodynamic equilibrium. The entropy of the system is

Choices

Choice (4) Response

a.

2kBlnN

b.

NkBln3

c.

NkBln2

d.

3kBlnN

Question number: 4

» Thermodynamics and Statistical Physics » Macrostates and Microstates

Appeared in Year: 2007

MCQ▾

Question

A system has energy levels E0,2E0,3E0, where the excited states are triply degenerate. Four non – interacting bosons are placed in this system. If the total energy of these bosons is 5E0 , the number of microstates is –

Choices

Choice (4) Response

a.

4

b.

2

c.

3

d.

5

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