Thermodynamic and Statistical Physics (CSIR Physical Sciences): Questions 7  10 of 56
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Question number: 7
» Thermodynamic and Statistical Physics » BoseEinstein Condensation
Appeared in Year: 2014
Question
An ideal Bose gas is confined inside a container that is connected to a particle reservoir. Each particle can occupy a discrete set of single – particle quantum states. If the probability that a particular quantum state is unoccupied is 0.1, then the average number of bosons in that state is – (December)
Choices
Choice (4)  Response  

a.  10 

b.  11 

c.  8 

d.  9 

Question number: 8
» Thermodynamic and Statistical Physics » Phase Space
Appeared in Year: 2014
Question
The Hamiltonian of a classical particle moving in one dimension is ; where is a positive constant and and are its momentum and position respectively. Given that it’s total energy the available volume of phase space depends on as – (December)
Choices
Choice (4)  Response  

a. 


b.  Is independent of 

c. 


d. 


Question number: 9
» Thermodynamic and Statistical Physics » Micro and MacroStates
Appeared in Year: 2012
Question
Consider a system of non – interacting particle in d dimensions obeying the dispersion relation where is the energy, k is wavevector, s is an integer and A a constant. The density of states, is proportional to – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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 
