M.Sc Physics (II year) CAT 1 Performance Semester- III

 

Assignment for Mech-A

Answer all the questions : 

1.Why the output of the Nd.YAG laser with Xenon/Krypton flash lamp is pulsed?

2.Why the rays making smaller and greater angles  arrive at same instant in graded index fiber?

3.What is the difference between active and passive sensors?

4.What is the path difference if a glass plate of ref.index and thickness t is introduced in one of the paths of two coherent rays from same source.

5.What is the use of He gas in CO2 gas laser?

6.What is the change in the field of view of telescope in a M.I. experiment , if a compensation plate is introduced?

7. In a He-Ne laser how only one wavelength of laser light is derived and what happens to the emission of other wavelengths.

8. How in a graded index fibre, inter modal dispersion is avoided?

9.What is the purpose of having a metastable state in lasers?

10.What is the need for population inversion?

Lesson Plan: Nuclear and Particle Physics

Periods.	No.of Per- iod(s)	Topics to be covered	Mode of delivery	Teaching Aids	Ref / Source
1.	1	Nuclear and Particle physics	Discussions, Illustrations.	Model, Website reference	Syllabus & Lesson Plan
Module-1: Nuclear Structure
2.	1	Introduction to basic properties governing the nucleus.	Lecture	Black Board	R1 & R2
3.	1	Nuclear size and its radius-comparison to atomic radius and size.	Lecture	B. Board	R1 & R2
4.	1	Rutherford model of nucleus	Lecture	B. Board  & PPT	R1 & R2
5.	1	Rutherford alpha scattering experiment	Lecture	B. Board  & PPT	R1 & R2
6.	1	Theory and derivations for scattering formula	Lecture	B. Board	R1 & R2
7.	1	Nuclear isotopes, isobars and isotones. Nucleons-protons and neutron masses	Lecture with discussion	B. Board	R1 & R2
8.	1	Magnetic moments of nuclear structure	Lecture	B. Board &	R2 & R3
9.	1	Semi empirical mass formula -Weizsacker formula.	Lecture with discussion	B. Board	R2 & R3
10.	1	Nuclear stability and mass parabolas	Lecture/ discussion	B. Board &	R2 & R3
11.	1	Nuclear Model- Liquid drop model	Lecture/ discussion	B. Board &	R2 & R3
12.	1	Shell model of nucleus- revision	Lecture/ discussion	B. Board &	R2 & R3
Module-2: Nuclear Forces
13.	1	Ground state of duetron- theory and derivations	Lecture / discussion	B. Board &	R1 & R2
14.	1	Magnetic dipole moment of deutron-conceptual	Lecture	B. Board	R1 & R2
15.	1	Orbital motion of deuteron-theory	Lecture	B. Board	R1 & R2
16.	1	Scattering process, the Scattering problem in nucleus.	Lecture	B. Board	R1 & R2
17.	1	Formulation -scattering amplitude and Greens functions expression	Lecture	B. Board &OHP	R1 & R2
18.	1	Born approximation theory and derivation	Lecture	B. Board	R2 & R3
19.	1	Born approximation theory - continuation	Lecture	B. Board	R2 & R3
20.	1	Validity of Born approximation.	Lecture	B. Board	R2 & R3
21.	1	Screening potential- theory and derivation.	Lecture	B. Board	R2 & R3
22.	1	Effect of identity of particles	Lecture	B. Board	R2 & R3
23.	1	Method of partial waves and phase shifts, scattering lengths.	Lecture	B. Board	R2 & R3
24.	1	Revision and class test	-	-	-
CONTINUOUS ASSESSMENT TEST-1
Module-3: Radioactivity
25.	1	Alpha particle emission-theory and derivation	Lecture	B. Board	R2 & R3
26.	1	Geiger - Nuttal Law formulation	Lecture	B. Board	R2 & R3
27.	1	Gamow's theory of alpha decay	Lecture/ discussion	B. Board	R2 & R3
28.	1	Fine structure of alpha spectra and beta decay	Lecture/ OHP	B. Board	R2 & R3
29.	1	Neutrino hypothesis	Lecture	B. Board	R2 & R3
30.	1	Fermi theory of beta decay with curie plot	Lecture / example & problem solving	B. Board & ppt	R2 & R3
31.	1	Energy of beta spectrum	Lecture / example	B. Board & OHP	R1 & R2
32.	1	Fermi and G.T selection rules	Lecture	B. Board	R1 & R2
33.	1	Non convervation of parity in gammy decay	Lecture	B. Board	R1 & R2
34.	1	Gamma emission - selection rules	Lecture	B. Board	R1 & R2
35.	1	Transition probability-theory	Lecture	B. Board	R1 & R2
36.	1	Internal conversion -explanation, nuclear isomerism.	Lecture	B. Board	R1 & R2
Module-4: Nuclear reactions
37.	1	Introduction to Nuclear reactions and its energies.	Discussion	B. Board	R1 & R2
38.	1	Level widths and cross sections in nucleus.	Lecture	B. Board	R1 & R2
39.	1	Compound nucleus and its model- theory.	Lecture	B. Board	R1 & R2
40.	1	Resonance scattering and derivations	Lecture	B. Board	R1 & R2
41.	1	Breit Wigner one level formula- derivations and theory.	Lecture/ example	B. Board	R1 & R2
42.	1	Optical model of nucleus -theory	Lecture/example	B. Board	R1 & R2
43.	1	Stripping and pick up reactions	Lecture		R2 & R3
44.	1	Fission and fusion reactions - theory with illustrations	Lecture	B. Board	R2 & R3
45.	1	Theory of fission and elementary ideas of fusion, fission	Lecture	B. Board	R2 & R3
46.	1	Controlled thermo nuclear reactions	Lecture	B. Board	R2 & R3
47.	1	Ideas of nuclear reactors	Lecture	B. Board	R2 & R3
48.	1	Plasma confinement and fusion power	Lecture	B. Board	R2 & R3
CONTINUOUS ASSESSMENT TEST-2
Module V Elementary Particles
49.	1	Classification of fundamental forces-theory	Discussion	B. Board	R2
50.	1	Isospin strangeness- theory and derivation	Lecture	B. Board	R2 & R3
51.	1	GellMann Nishijima's formula and derivations	Lecture	B. Board	R2 & R3
52.	1	Quark model - SU ( 3) symmetry	Lecture	B. Board/  PPT	R2 & R3
53.	1	CPT invariance in different interactions	Lecture	B. Board/  PPT	R2 & R3
54.	1	Parity non conservation - theory	Lecture	B. Board	R2 & R3
55.	1	K - meson  - concepts and its origin	Lecture	B. Board	R2 & R3
56.	1	Complex and time reversal invariance	Lecture	B. Board	R2 & R3
57.	1	Elementary ideas of gauge theory	Lecture	B. Board	R2 & R3
58.	1	Strong and weak interactions	Lecture	B. Board	R2 & R3
59.	1	Revisions of module	Lecture	B. Board	R2 & R3
60.	1	Class Test	-	-	-