Thermodynamic and Statistical Physics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 4 - 6 of 64

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Question number: 4

» Thermodynamic and Statistical Physics » Laws of Thermodynamics

Appeared in Year: 2014

MCQ▾

Question

The pressure P of a fluid is related to its number density by the equation of state where and are constants. If the initial volume of the fluid is the work done on the system when it is compressed so as to increase the number density from an initial value of to is – (December)

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Choice (4) Response

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Question number: 5

» Thermodynamic and Statistical Physics » Phase Equilibria

Appeared in Year: 2013

MCQ▾

Question

The entropy S of a thermodynamic system as a function of energy E is given by the following graph,

Entropy as a function of energy

Entropy as a Function of Energy

In figure the entropy S of a thermodynamic system as a function of energy E is shown.

The temperature of the phases A, B and C denoted by and , respectively, satisfy the following inequalities – (December)

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Choice (4) Response

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Question number: 6

» Thermodynamic and Statistical Physics » Planck's Distribution Law

Appeared in Year: 2013

MCQ▾

Question

The speed of the molecules of mass m of an ideal gas obeys Maxwell’s velocity distribution law at an equilibrium temperature T. Let denote the components of the velocity and the Boltzmann constant. The average value of where and are constant, is – (December)

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Choice (4) Response

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