Thermodynamic and Statistical Physics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 20  22 of 64
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Question number: 20
» Thermodynamic and Statistical Physics » Free Energy
Appeared in Year: 2012
Question
The free energy of gas of N particles in a volume V and at a temperature T is where is a constant and denotes the Boltzmann constant. The internal energy of the gas is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 21
» Thermodynamic and Statistical Physics » Classical and Quantum Statistics
Appeared in Year: 2014
Question
Let ; where and are independent and identically distributed Gaussian random variables of mean and standard deviation . Then is – (June)
Choices
Choice (4)  Response  

a.  1 

b. 


c. 


d. 


Question number: 22
» Thermodynamic and Statistical Physics » Introduction to Nonequilibrium Processes
Appeared in Year: 2014
Question
When a gas expands adiabatically from volume and by a quasi – static reversible process, it cools from temperature to . If now the same process is carried out adiabatically and irreversibly, and is the temperature of the gas when it has equilibrated, then – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

