CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 47  50 of 463
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Question number: 47
» Mathematical Methods of Physics » Green's Function
Appeared in Year: 2014
Question
If and C is the circle of unit radius in the plane defined by, with the centre on the z – axis, then the value of integral
is – (June)
Choices
Choice (4)  Response  

a. 


b.  s 

c.  0 

d.  π 

Question number: 48
» Mathematical Methods of Physics » Elementary Probability Theory
Appeared in Year: 2012
Question
In a series of five Cricket matches, one of the captains call ‘Heads’ every time when the toss is taken. The probability that he will win 3 times and loss 2 times is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 49
» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications
Appeared in Year: 2014
Question
A charged particle is at a distance d from an infinite conducting plane maintained at zero potential. When released from rest, the particle reaches a speed at a distance from the plane. At what distance from the plane will the particle reach the speed? (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 50
» Electromagnetic Theory » Interference
Appeared in Year: 2012
Question
Consider the interference of two coherent electromagnetic waves whose electric field vectors are given by and where is the phase difference. The intensity of the resulting wave is given by, where is the time average of. The total intensity is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c.  0 

d. 

