CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 31  34 of 463
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Question number: 31
» Electronics and Experimental Methods » Operational Amplifiers
Appeared in Year: 2013
Question
Consider the op – amp circuit shows in the figure.
If the input is a sinusoidal wave, then the amplitude of output is – (December)
Choices
Choice (4)  Response  

a.  5 

b. 


c. 


d. 


Question number: 32
» Quantum Mechanics » Variational Method
Appeared in Year: 2014
Question
Let denote the eigenfunctions of a Hamiltonian for a spherically symmetric potential V (r). The expectation value of in the state is  (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 33
» 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: 34
» Classical Mechanics » Periodic Motion » Small Oscillations
Appeared in Year: 2014
Question
The time period of a simple pendulum under the influence of the acceleration due to gravity is T. The bob is subjected to an additional acceleration of magnitude in the horizontal direction. Assuming small oscillations, the mean position and time period of oscillation, respectively, of the bob will be – (June)
Choices
Choice (4)  Response  

a.  to the vertical and 

b.  to the vertical and 

c.  to the vertical and 

d.  to the vertical and 
