M.Sc. DEGREE EXAMINATION, APRIL 2017
Fourth Semester
Physics
NUCLEAR AND PARTICLE PHYSICS
(CBCS 2013 onwards)
Time 3 Hours Maximum 75 Marks
Section A (10 x 2 20)
Answer all questions.
All questions carry equal marks.
1. What are neutrinos?
2. Explain the term Nuclear isomerism.
3. What are magic numbers?
4. What are Schmidt lines?
5. What are Tensor forces?
6. Classify different types of nuclear reactions.
7. What are thermal neutrons?
8. What is geometrical cross section?
9. What are and groups?
10. What are baryons?
Sub. Code
521402
RW-179
2
Ws15
Section B x 5 25)
Answer all questions by choosing either or
11. Discuss parity violation in Beta decay.
Or
Write a short notes on gamma decay.
12. Discuss shell model in detail and its limitations.
Or
Give the collective model how it accounts for nuclear
fission/fusion phenomenon.
13. Discuss the reaction mechanism in compound
nuclei.
Or
Discuss the deutron's in the ground state.
14. Write a short notes on Source of stellar energy.
Or
Give a brief account of controlled thermo nuclear
reaction.
15. What are elementary particles? Classify them
according to their parity assignments.
Or
Discuss Gell-Mann Nishijima formula.
Section C x 10 30)
Answer any three questions.
16. Discuss in detail the Fermi's theory of Beta decay.
Or
Give the Gamow's theory of alpha decay.
RW-179
3
Ws15
17. Discuss nuclear fission phenomenon using Bohr
Wheeler's theory.
18. Using the effective range theory discuss n-p scattering at
low energies.
19. Mention types of nuclear reactors and explain any one
reactor with illustration.
20. Classify the particles according to the spin, isospin and
strangeness and fundamental interactions.
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