Atomic & Molecular Physics-LS & JJ Couplings [CSIR (Council of Scientific & Industrial Research) Physical Sciences]: Questions 1 - 4 of 6
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Question 1
Appeared in Year: 2012
Question MCQ▾
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 | |
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a. | ||
b. | ||
c. | ||
d. |
Question 2
Appeared in Year: 2012
Question MCQ▾
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 | |
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a. | ||
b. | ||
c. | 1 | |
d. | 2 |
Question 3
Appeared in Year: 2011
Question MCQ▾
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 | |
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a. | ||
b. | ||
c. | ||
d. |
Question 4
Appeared in Year: 2012
Question MCQ▾
The ground state of nucleus has spin – parity , while the first excited state has . The electromagnetic radiations emitted when the nucleus makes a transition from the first excited state to the ground state are, (June)
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |