CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 189  191 of 463
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Question number: 189
» Atomic & Molecular Physics » Diatomic Molecules » Vibrational
Appeared in Year: 2014
Question
If the leading anharmonic correction to the energy of the energy of vibrational level of a diatomic molecule is with, the total number of energy levels possible is approximately, (December)
Choices
Choice (4)  Response  

a.  1000 

b.  250 

c.  500 

d.  750 

Question number: 190
» Atomic & Molecular Physics » Relativistic Corrections for Energy Levels of Hydrogen Atom
Appeared in Year: 2011
Question
The energy levels of the non –relativistic electron in a hydrogen atom i. e. , in a Coulomb potential are given by, where, n is principal quantum number, and the corresponding wave functions are given by , where is the orbital angular momentum quantum number and m is the magnetic quantum number. The spin of the electron is not considered. Which of the following is a correct statement?  (June)
Choices
Choice (4)  Response  

a.  does not depend on and for the Coulomb potential 

b.  There are different wave function for each 

c.  There is a unique wave function and 

d.  There are exactly different wave function , for each 

Question number: 191
» Classical Mechanics » Central Force Motions
Appeared in Year: 2011
Question
Two particles of identical mass move in circular orbits under a central potential . Let and be the angular momenta and be the radii of the orbits respectively. If , the value of is: (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

