Thermodynamic and Statistical Physics (CSIR Physical Sciences): Questions 10  12 of 56
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Question number: 10
» Thermodynamic and Statistical Physics » Laws of Thermodynamics
Appeared in Year: 2012
Question
Let be the work done in a quasistatic reversible thermodynamic process. Which of the following statement about is correct? (December)
Choices
Choice (4)  Response  

a.  is a perfect differential if the process is adiabatic 

b.  is always a perfect differential 

c.  cannot be a perfect differential 

d.  is a perfect differential if the process is isothermal 

Question number: 11
» Thermodynamic and Statistical Physics » Micro and MacroStates
Appeared in Year: 2012
Question
The entropy of a system, S, is related to the accessible phase space volume by where E, N and V are the energy, number of particles and volume respectively. From this one can conclude that – (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
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 
