Dr. A.P.J. Abdul Kalam University MSC III SEM (Physics) Atomic and Molecular Physics-II (MSP303T) Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Science (Physics)

Third Semester Main Examination, Dec-2020

Atomic and Molecular Physics-II (MSP303T)

Time: 3:00 Hrs Max Marks 85

Note: Attempt all questions. Question no 1 to Question no. 5 has 2 parts. Part A is 10

marks and part B is 7 marks.

Q.1 (a) Explain the application of NMR techniques.

(b) Write the interaction between nuclear spin and magnetic field.

OR

(a) Explain the relaxation process spin-spin interaction.

(b) Explain the brief spin-spin coupling between two and more nuclei.

Q.2 (a) Explain frank condom principles.

(b) What do you mean by dissociation and pre-dissociation?

OR

(a) Explain Vibrational course structure of electronic spectra.

(b) Write short note on frank condom factor.

Q.3 (a) Explain molecular polarisibility in Raman effect.

(b) What is difference between Raman and infrared spectroscopy.

OR

(a) Explain Raman spectra of diatomic molecules.

(b) Write the application of Raman effect.

Q.4 (a) What are the principle of Massbauser Spectroscopy?

(b) What do you mean by gamma emission.

OR

(a) Explain Linc width.

(b) Write the application of Massbauser Spectroscopy.

Q.5 (a) Explain hyper fine coupling.

(b) What do you mean by ESR.

OR

(a) Explain:-

(i) G- Values

(ii) An Isotropic system

(b) What are the principle of ESR spectrometer. 

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