Thermodynamic and Statistical PhysicsPlanck's Distribution Law (CSIR Physical Sciences): Questions 1  3 of 4
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: 1
» Thermodynamic and Statistical Physics » Planck's Distribution Law
Appeared in Year: 2013
Question
The speed of the molecules of mass m of an ideal gas obeys Maxwell’s velocity distribution law at an equilibrium temperature T. Let denote the components of the velocity and the Boltzmann constant. The average value of where and are constant, is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 2
» 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: 3
» Thermodynamic and Statistical Physics » Planck's Distribution Law
Question
In low density oxygen gas at low temperature, only the translational and rotational modes of the molecules are excited. The specific heat per molecule of the gas is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

