CSIR Physical Sciences: Questions 114  117 of 401
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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. 


Question number: 116
» Quantum Mechanics » SternGerlach Experiment
Appeared in Year: 2012
Question
The component along an arbitrary direction , with direction cosines , of the spin of spin particle is measured. The result is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c.  0 

d. 


Question number: 117
» Thermodynamic and Statistical Physics » Laws of Thermodynamics
Appeared in Year: 2014
Question
For a particular thermodynamic system the entropy S is related to the internal energy U and volume V by ; where c is a constant. The Gibbs potential for this system is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c.  Zero 

d. 

