CSIR Physical Sciences: Questions 201  203 of 401
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Question number: 201
» Mathematical Methods of Physics » Poles, Residues & Evaluation of Integrals
Appeared in Year: 2011
Question
The value of the integral , where C is an open contour in the complex Z – plane as shown in the figure below is –
(June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 202
» Quantum Mechanics » Relativistic Quantum Mechanics » Dirac Equations
Appeared in Year: 2014
Question
The ground state energy of the attractive delta function potential ; where , is calculated with the variational trial function is (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 203
» Quantum Mechanics » Motion in Central Potential » Angular Momentum Algebra
Appeared in Year: 2011
Question
Consider a particle in a one dimensional potential that satisfies . Let and denote the ground and the first excited states, respectively, and let be a normalized state with and being real constants. The expectation value of the position operator in the state is given by,  (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

