Thermodynamic and Statistical Physics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 13 - 16 of 64

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Question number: 13

» 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.

Equation

b.

Equation

c.

Equation

d.

N

Question number: 14

» Thermodynamic and Statistical Physics » Free Energy

Appeared in Year: 2014

MCQ▾

Question

The free energy F of a system depends on a thermodynamic variable Equation as Equation withEquation . The value ofEquation , when the system is in thermodynamic equilibrium, is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Zero

Question number: 15

» Thermodynamic and Statistical Physics » Planck's Distribution Law

Appeared in Year: 2014

MCQ▾

Question

A system can have three energy levels: Equation . The level Equation is doubly degenerate, while the others are non-degenerate. The average energy at inverse temperature Equation is – (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 16

» Thermodynamic and Statistical Physics » Free Energy

Appeared in Year: 2013

MCQ▾

Question

Two different thermodynamic system are described by the following equations of state –

Equation

Equation

Where Equation and Equation are respectively the temperatures, the mole numbers and the internal energies of the two systems, and R is the gas constant. Let Equation denote the total energy when these two systems are put in contact and attain thermal equilibrium. The ratio Equation is – (December)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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