Thermodynamic and Statistical Physics (CSIR Physical Sciences): Questions 23  26 of 56
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 401 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: 23
» 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: 24
» Thermodynamic and Statistical Physics » Laws of Thermodynamics
Appeared in Year: 2011
Question
The internal energy E of a system is given by , where b is a constant and other symbols have their usual meaning. The temperature of this system is equal to – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 25
» Thermodynamic and Statistical Physics » Phase Equilibria
Appeared in Year: 2011
Question
A particle is confined to the region by a potential which increases linearly as . The mean position of the particle at temperature T is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 26
» Thermodynamic and Statistical Physics » Random Walk
Appeared in Year: 2014
Question
A random walker takes a step of unit length in the positive direction with probability and a step of unit length in the negative direction with probability . The mean displacement of the walker after n steps is – (December)
Choices
Choice (4)  Response  

a.  0 

b. 


c. 


d. 

