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SECTION - 'A'
7Ã5=35
Total No. of Questions : 10
Total No. of Printed Pages : 4
GH-555
M.Sc. Ind Semester (Reg./ATKT)
Examination, 2022
Physics
Paper - IV
Atomic And Molecular Physics
Time : 3 Hours]
[Maximum Marks : 85
Note :- Questions paper contains two section A & B. All questions are compulsory. Marks are allotted against each questions.
Explain main features of Atomic Orbitals.
OR
State and explain Pauli's principle.
Explain Diatomic linear.
OR
What are the factors on which intensity of rotational spectra lines depend?
What is Raman Effect ? Write down its important applicatoins.
OR
Give quantum theory of Raman Effect, explain it.
Discuss in detail Mossbauer Effect.
OR
Give applications of Mossbauer spectroscopy.
Explain ESR spectrom-ter.
OR
Discuss Splinting of election energy levels by a magnetic field.
SECTION - 'B'
10Ã5=50
Explain main features of alkali spectra.
OR
Explain Spin-Spin interaction and Spin-spin coupling between two and more nuclei.
Discuss Born-Oppenheimer approximation in detail.
OR
Explain electronic spectra of diatomic molecule with suitable example.
Find out the expression for vibration energy of diatomic mol-
ocules as a harmonic oscillator.
OR
Write an essay on Raman spectra and molecular spectros-
copy.
Write short notes on any one :
(a) Biochemical applications of Mossbauer spectroscopy
(b) Isomer shift
Write short notes on any one :
(a) ENDOR and ELDOR
(b) Applications of ESR in the determination of free "radi-cals".