CSIR Physical Sciences: Questions 190  192 of 401
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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. 


Question number: 192
» Atomic & Molecular Physics » Zeeman, PaschenBach & Stark Effects
Appeared in Year: 2014
Question
An atomic transition ^{1}P ^{1}S in a magnetic field 1 Tesla shows Zeeman splitting. Given that the Bohr magneton , and the wavelength corresponding to the transition is 250 nm, the separation in the Zeeman spectral lines is approximately, (December)
Choices
Choice (4)  Response  

a.  0.001 nm 

b.  10 nm 

c.  1.0 nm 

d.  0.1 nm 
