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 MacroStates
Appeared in Year: 2012
Question
The number of ways in which N identical bosons can be distributed in two energy levels, is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  N 

Question number: 14
» Thermodynamic and Statistical Physics » Free Energy
Appeared in Year: 2014
Question
The free energy F of a system depends on a thermodynamic variable as with. The value of, when the system is in thermodynamic equilibrium, is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Zero 

Question number: 15
» Thermodynamic and Statistical Physics » Planck's Distribution Law
Appeared in Year: 2014
Question
A system can have three energy levels: . The level is doubly degenerate, while the others are nondegenerate. The average energy at inverse temperature is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 16
» Thermodynamic and Statistical Physics » Free Energy
Appeared in Year: 2013
Question
Two different thermodynamic system are described by the following equations of state –
Where and are respectively the temperatures, the mole numbers and the internal energies of the two systems, and R is the gas constant. Let denote the total energy when these two systems are put in contact and attain thermal equilibrium. The ratio is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

