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

a.

b.

c.

d.

Edit

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

a.

b.

c.

1

d.

2

Edit

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

a.

b.

c.

d.

Edit

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

a.

b.

c.

d.

Edit