Atomic & Molecular Physics-LS & JJ Couplings (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 4 of 5

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 1

» Atomic & Molecular Physics » LS & JJ Couplings

Appeared in Year: 2012

MCQ▾

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

MCQ▾

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

MCQ▾

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.

Question number: 4

» Atomic & Molecular Physics » LS & JJ Couplings

Appeared in Year: 2012

MCQ▾

Question

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

a.

b.

c.

d.

f Page
Sign In