M.Sc. DEGREE EXAMINATION, NOVEMBER/DECEMBER 2017.
THIRD SEMESTER
PHYSICS
Paper V NUCLEAR AND PARTICLE PHYSICS
2 20735-A
Time 3 Hours Max. Marks 70
SECTION — A
Answer any FIVE questions. 6 30 Marks)
All questions carry equal marks.
1. Explain the salient features of collective model.
2. Discuss the calculation of angular moemtum.
3. Give a note on radioactive decay.
4. Explain briefly the Fermi's theory.
5. Briefly explain the working of Linear accelerator.
6. Explain the significance of a critical size of a reactor.
7. What is charge conjugation Explain.
8. Write a note on SU2 and SU3 symmetries.
SECTION — B
Answer ALL questions. 10 40 Marks)
All questions carry equal marks.
9. Explain the characteristics of nuclear forces and the scattering mechanisms.
Or
Discuss the principle and working of liquid drop model of the nucleus.

10. Describe the classification of nuclear reactions with examples.
Or
Explain the interaction of gamma radiation with matter and discuss the pair
production.
11. Describe the working of low energy circular accelerator Cyclotron.
Or
Explain the nuclear fission and fusion reactions with examples and write a
note on nuclear chain reactions.
12. Explain conservation laws in elementary particles and discuss the CPT
theorem.
Or
Explain the properties of leptons and mesons.
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