Atomic & Molecular PhysicsLS & JJ Couplings (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1  3 of 5
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Question number: 1
» Atomic & Molecular Physics » LS & JJ Couplings
Appeared in Year: 2012
Question
The spin orbit interaction in an atom is given by where L and S denote the orbital and spin angular momenta, respectively of the electron. The splitting between the levels and is – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 2
» Atomic & Molecular Physics » LS & JJ Couplings
Appeared in Year: 2012
Question
The spectral line corresponding to an atomic transition from states splits in a magnetic field of 1 KG into three components separated by . If the zero field spectral line corresponding to , what is the g – factor corresponding to the state? (You may use ) (June)
Choices
Choice (4)  Response  

a. 


b. 


c.  2 

d.  1 

Question number: 3
» Atomic & Molecular Physics » LS & JJ Couplings
Appeared in Year: 2011
Question
If the hyperfine interaction in an atom is given by , where and denote the electron and proton spins, respectively, the splitting between the and state is – (December)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

