CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 82  85 of 463
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Question number: 82
» Thermodynamic and Statistical Physics » Micro and MacroStates
Appeared in Year: 2012
Question
The entropy of a system, S, is related to the accessible phase space volume by where E, N and V are the energy, number of particles and volume respectively. From this one can conclude that – (December)
Choices
Choice (4)  Response  

a.  Oscillates during evolution to equilibrium 

b.  Does not change during evolution to equilibrium 

c.  Is a maximum at equilibrium 

d.  Is a minimum at equilibrium 

Question number: 83
» Mathematical Methods of Physics » Taylor & Laurent Series
Appeared in Year: 2012
Question
The first few terms in the Laurent series for in the region , and around is, (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 84
» Electronics and Experimental Methods » Frequency Dependence
Appeared in Year: 2014
Question
An RC network produces a phase – shift of 30^{0}. How many such RC networks should be cascaded together and connected to a Common Emitter amplifier so that the final circuit behaves as an oscillator? (June)
Choices
Choice (4)  Response  

a.  12 

b.  9 

c.  6 

d.  3 

Question number: 85
» Quantum Mechanics » SpinOrbit Coupling
Appeared in Year: 2012
Question
The minimum energy of a collection of 6 non – interacting electrons of spin and mass placed in a one dimensional infinite square well potential of width L is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

