Thermodynamic and Statistical Physics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 20 - 22 of 56

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Question number: 20

» Thermodynamic and Statistical Physics » Free Energy

Appeared in Year: 2012

MCQ▾

Question

The free energy of gas of N particles in a volume V and at a temperature T is Equation where Equation is a constant and Equation denotes the Boltzmann constant. The internal energy of the gas is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 21

» Thermodynamic and Statistical Physics » Classical and Quantum Statistics

Appeared in Year: 2014

MCQ▾

Question

Let Equation ; where Equation and Equation are independent and identically distributed Gaussian random variables of mean Equation and standard deviation Equation . Then Equation is – (June)

Choices

Choice (4) Response

a.

1

b.

Equation

c.

Equation

d.

Equation

Question number: 22

» Thermodynamic and Statistical Physics » Introduction to Nonequilibrium Processes

Appeared in Year: 2014

MCQ▾

Question

When a gas expands adiabatically from volume Equation and Equation by a quasi – static reversible process, it cools from temperature Equation to Equation . If now the same process is carried out adiabatically and irreversibly, and Equation is the temperature of the gas when it has equilibrated, then – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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