CSIR Physical Sciences: Questions 72  75 of 401
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 401 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
Question number: 72
» Classical Mechanics » Periodic Motion » Small Oscillations
Appeared in Year: 2011
Question
A point particle of mass carrying an electric charge is attached to a spring of stiffness constant. A constant electric field E along the direction of the spring is switched on for a time interval T. Neglecting radiation loss, the amplitude of oscillation after the field is switched off is: (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 73
» Mathematical Methods of Physics » Vector Algebra and Vector Calculus
Appeared in Year: 2012
Question
A vector perpendicular to any vector that lies on the plane defined by , is (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 74
» Mathematical Methods of Physics » Binomial, Poisson and Normal Distributions
Appeared in Year: 2012
Question
The radioactive decay of a certain material satisfied Poisson statistics with a mean rate of per second, what should be the minimum duration of counting (in seconds) so that relative error is less than 1%? (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 75
» Mathematical Methods of Physics » Elements of Complex Analysis
Appeared in Year: 2012
Question
Let be the real part of an analytic function of the complex variable, the imaginary part of is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c.  y 

d. 

