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M.Sc. (Physics) | Curriculum | Paper : Atomic And Molecular Physics | Paper Code : 09020204

Curriculum

Paper : Atomic And Molecular Physics

Paper Code : 09020204

Sr. No Topic Learning Objectives (At the end the student should be able to) Teaching Guidelines Methodology Time
1. Atomic Physics

1.Intensities of spectral lines General selection rule;

2.Hyperfine structure of Spectra lines: 3.Isotope effect and effect of Nuclear Spin

 

 

 

 

 

 

Description of

Atomic Physics

To discuss

1.Spectrum of He-atom and Heisenberg resonance

2.Physical interpretation of quantum numbers

3.Pauli principle and the building-up principle

4. Terms for equivalent & non-equivalent electron atom

5. Space Quantization: Stern-Gerlach experiment

6. Normal & anomalous Zeeman effect

7. Stark Effect,

8.Paschen – Back effect

 

 

1. White board teaching

 

 

2. Assignments

 

 

 

10 hrs

2.  

Molecular Spectroscopy

1. Infrared spectroscopy: The vibrating diatomic molecule,The diatomic vibrating-rotator spectra of diatomic molecules

 

2.Raman Spectroscopy: Introduction, Pure rotational Raman spectra, Vibrational Raman Spectra, Nuclear Spin and intensity alternation in Raman spectra, Isotope effect, Raman Spectrometer.

 

 

 

 

 

 

 

 

 

 

Discuss Molecular Physics

To cover

1.Rotation of molecules: Classification of molecules 2.Interaction of radiation with rotating molecules 3.Rotational spectra of rigid diatomic molecules, Isotope effect in rotational spectra, Intensity of rotational lines, 4.Non rigid rotator, Information derived from rotational spectra

 1. white board teaching

 

2. Class tests

9 hrs

 

 

1 hr

 

 

3. Fluorescence spectroscopy

1.Electronic structure of diatomic molecules 2.Fluorescence spectroscopy: Fluorescence and Phosphorescence

3.Kasha’s rule, Quantum Yield

4.Non radiative transition, Jablonski Diagram

5.Spectro fluorometer, Time resolved fluorescence and determination of excited state lifetime.

 

 

 

 

 

 

 

 

 

Explain Electronic Spectra of diatomic molecules and Fluorescence spectroscopy

 To derive and explain

1.Born Oppenheimer approximation

2.Vibrational coarse structure of electronic bands

3.Progression and sequences

4.Intensity of electronic bands-Frank Condon Principle

5. Dissociation and pre-dissociation, Dissociation energy

6.Rotational fine structure of electronic bands, The Fortrat parabole

 

 

1. White Board Teaching

 

2. Group discussions

 

 

8 hr

 

 

2hr

4.  Resonance Spectroscopy

1. High resolution methods; ESR: Basic principle, ESR spectrometer, nuclear interaction and hyperfine structure

2. Relaxation effects, g-factor , Characteristics ,Free radical studies and biological applications.

 

 

 

 

 

 

Explain Resonance Spectroscopy

 To discuss

1.NMR: Basic principles Classical and quantum mechanical description

2.Bloch equations

3. Spin-spin and spin-lattice relaxation times

4.Chemical shift and coupling constant 5.Experimental methods – Single coil and double coil methods

 

 

1. White Board Teaching

 

2. Group discussions

 

 

8 hr

 

 

2hr

Admission 2017