CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 111  113 of 463
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Question number: 111
» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications
Appeared in Year: 2012
Question
Four charges (two + q and two –q) are kept fixed at the four vertices of a square of side a as shown
At the point P which is at a distance R from the centre, the potential is proportional to – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 112
» Mathematical Methods of Physics » Poles, Residues & Evaluation of Integrals
Appeared in Year: 2014
Question
If C is the contour defined by, the value of the signal
is – (June)
Choices
Choice (4)  Response  

a. 


b.  0 

c.  ∞ 

d. 


Question number: 113
» Thermodynamic and Statistical Physics » Free Energy
Appeared in Year: 2013
Question
Two different thermodynamic system are described by the following equations of state –
Where and are respectively the temperatures, the mole numbers and the internal energies of the two systems, and R is the gas constant. Let denote the total energy when these two systems are put in contact and attain thermal equilibrium. The ratio is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

