CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 142  145 of 463
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Question number: 142
» Mathematical Methods of Physics » Linear Ordinary Differential Equations of First & Second Order
Appeared in Year: 2012
Question
Let be a continuous real function in the range 0 and, satisfying the in homogeneous differential equation:
The value of at the point . (June)
Choices
Choice (4)  Response  

a.  Has a discontinuity of 

b.  Is continuous 

c.  Has a discontinuity of 1 

d.  Has a discontinuity of 3 

Question number: 143
» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications
Appeared in Year: 2012
Question
A point charge of mass m is kept at a distance d below a grounded infinite conducting sheet which lies in the xy – plane. For what value of d will the charge remains stationary? (December)
Choices
Choice (4)  Response  

a. 


b.  There is no finite value of 

c. 


d. 


Question number: 144
» Electronics and Experimental Methods » Operational Amplifiers
Appeared in Year: 2011
Question
In the operational amplifier circuit below, the voltage at point A is –
(December)
Choices
Choice (4)  Response  

a.  0 V 

b.  – 5.0 V 

c.  0.5 V 

d.  1.0 V 

Question number: 145
» Electromagnetic Theory » Interference
Appeared in Year: 2014
Question
A parallel beam of light of wavelength is incident normally on a thin polymer film with air on both sides. If the film has a refractive index, then second order bright fringes can be observed in reflection when the thickness of the film is  (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

