Thermodynamics and Statistical PhysicsClassical and Aquantum Statistics (GATE (Graduate Aptitude Test in Engineering) Physics): Questions 1  5 of 11
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Question number: 1
» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics
Appeared in Year: 2014
Question
For a gas under isothermal conditions, its pressure P varies with volume V and . The bulk module B is proportional to –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 2
» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics
Appeared in Year: 2012
Question
At a certain temperature T, the average speed of nitrogen molecules in air is found to be . The most probable and the root mean square speeds of the molecules are, respectively –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 3
» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics
Appeared in Year: 2012
Question
Which one of the following cannot be explained by considering a harmonic approximation for the lattice vibrations in solids?
Choices
Choice (4)  Response  

a.  Thermal expansion 

b.  Optical branches in lattices 

c.  Debye’s law 

d.  Dulong – Petit law 

Question number: 4
» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics
Appeared in Year: 2012
Question
A classical gas of molecules, each of mass , is in thermal equilibrium at the absolute temperature, . The velocity component of the molecules along the Cartesian axes are and . The mean value of is –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 5
» Thermodynamics and Statistical Physics » Classical and Aquantum Statistics
Appeared in Year: 2011
Question
If the isothermal compressibility of a solid is , the pressure required to increase its density by is approximately
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

