Thermodynamic and Statistical PhysicsFree Energy (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 4  7 of 9
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
Question number: 4
» 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: 5
» Thermodynamic and Statistical Physics » Free Energy
Appeared in Year: 2011
Question
If the number density of a free electron gas in three electron gas in three dimensions is increase eight times, its Fermi temperature will –
(December)
Choices
Choice (4)  Response  

a.  Increase by a factor of 4 

b.  Decrease by a factor of 8 

c.  Increase by a factor of 8 

d.  Decrease by a factor of 4 

Question number: 6
» Thermodynamic and Statistical Physics » Free Energy
Appeared in Year: 2013
Question
If the energy dispersion of a two – dimensional electron system is , where is the velocity and k is the momentum, then the density of states depends on the energy as, (June)
Choices
Choice (4)  Response  

a. 


b.  Constant 

c. 


d.  E 

Question number: 7
» Thermodynamic and Statistical Physics » Free Energy
Appeared in Year: 2012
Question
The free energy difference between the superconducting and the normal states of a material is given by, where is an order parameter and and are constants such that in the normal and in the superconducting state, while always. The minimum value of is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

