Thermodynamic and Statistical Physics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 10 - 12 of 64

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Question number: 10

» Thermodynamic and Statistical Physics » Laws of Thermodynamics

Appeared in Year: 2012

MCQ▾

Question

Let Equation be the work done in a quasistatic reversible thermodynamic process. Which of the following statement about Equation is correct? (December)

Choices

Choice (4) Response

a.

Equation is a perfect differential if the process is adiabatic

b.

Equation is always a perfect differential

c.

Equation cannot be a perfect differential

d.

Equation is a perfect differential if the process is isothermal

Question number: 11

» 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 Equation by Equation where E, N and V are the energy, number of particles and volume respectively. From this one can conclude that Equation – (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: 12

» Thermodynamic and Statistical Physics » Free Energy

Appeared in Year: 2013

MCQ▾

Question

Consider the melting transition of ice into water at constant pressure. Which of the following thermodynamic quantities does not exhibit a discontinuous change across the phase transition? (December)

Choices

Choice (4) Response

a.

Internal energy

b.

Entropy

c.

Helmholtz free energy

d.

Gibbs free energy

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