CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 112  115 of 463
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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. 


Question number: 114
» Classical Mechanics » Special Theory of Relativity » Relativistic Kinematics
Appeared in Year: 2014
Question
In a measurement of the viscous drag force experiment by spherical particles in a liquid, the force is found to be proportional to ; where is the measured value of each particle. If V is measured to be , with an uncertainty of , the resulting relative percentage uncertainty in measured force is – (December)
Choices
Choice (4)  Response  

a.  6 

b. 


c. 


d.  3 

Question number: 115
» Classical Mechanics » Periodic Motion » Normal Modes
Appeared in Year: 2014
Question
A particle of mass m is moving in the potential where are positive constants. The frequency of small oscillation about a point of stable equilibrium is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

