Mathematical Methods of PhysicsBinomial, Poisson and Normal Distributions (CSIR Physical Sciences): Questions 1  4 of 6
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Question number: 1
» Mathematical Methods of Physics » Binomial, Poisson and Normal Distributions
Appeared in Year: 2014
Question
Given,
For the value of is – (June)
Choices
Choice (4)  Response  

a.  1 

b.  0.5 

c.  0.26 

d.  1 

Question number: 2
» 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: 3
» Mathematical Methods of Physics » Binomial, Poisson and Normal Distributions
Appeared in Year: 2014
Question
Two independent random variables m and n, which can take the integer values , follow the Poisson distribution, with distinct mean values and respectively. Then, (December)
Choices
Choice (4)  Response  

a.  The probability distribution of the random variable is a binomial distribution. 

b.  The variance of the random variable is equal to . 

c.  The probability distribution of the random variable is also a Poisson distribution. 

d.  The mean value of the random variable is equal to 0. 

Question number: 4
» Mathematical Methods of Physics » Binomial, Poisson and Normal Distributions
Appeared in Year: 2014
Question
If the electrostatic potential in spherical polar coordinates is ; where and are constants, then the charge density at a distance will be – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

