Nuclear and Particle Physics Important Questions

Bsc/Msc Physics 

Unit 1: Nuclear Interaction and Nuclear Reaction

1. Explain the nuclear forces?
2. What is the exchange force theory? Discuss its significance in nuclear interactions?
3. Describe the role of tensor forces in nuclear binding?
4. Explain the meson theory of nuclear forces?
5. Discuss the concept of neutron-proton scattering at low energy and determine the scattering length?
6. How does spin dependence affect nuclear forces?
7. Explain direct and compound nuclear reaction mechanisms with examples?
8. What is the reciprocity theorem? Derive its expression?

Unit 2: Accelerators of Charged Particles

1. Describe the principle and working of a cyclotron with a labeled diagram?
2. What is phase stability? Explain its role in accelerators?
3. Discuss the frequency modulation in synchro cyclotrons?
4. Explain the working of a betatron and its applications?
5. What is an electron synchrotron? How does it accelerate charged particles?
6. Describe the principle of a linear accelerator (Linac) and its advantages?
7. Compare the working of different types of particle accelerators?
8. Explain in detail the principle and working of a synchrocyclotron?

Unit 3: Nuclear Models

1. Explain the liquid drop model and derive the semi-empirical mass formula?
2. Discuss Bohr-Wheeler’s theory of nuclear fission?
3. What is the shell model? Explain its assumptions and limitations?
4. Describe the concept of spin-orbit interaction in nuclear structure?
5. Explain the significance of magic numbers in nuclear physics?
6. What is nuclear quadrupole moment? Discuss its physical significance?
7. Derive an expression for the quadrupole moment of a nucleus and explain special cases?
8. Write a detailed note on nuclear isomerism?

Unit 4: Nuclear Decay and Elementary Particles

1. Explain β decay and its different types?
2. Discuss the characteristics of the β ray spectrum?
3. What is the Fermi theory of β decay? Derive its expression for transition probability?
4. Explain the selection rules for β decay?
5. Discuss the concept of parity and its violation in weak interactions?
6. Explain multipole radiation and its role in nuclear transitions?
7. What is internal conversion in nuclear decay? Describe the process?
8. Write about the parity in β decay and its significance?
9. Discuss the symmetry schemes of elementary particles, including SU(3)?
10. Discuss mass-charge-spin interaction and the average lifetime of elementary particles?

Unit 5: Elementary Particles

1. Classify elementary particles based on their properties and interactions?
2. Explain the fundamental interactions governing particle physics?
3. What are the key parameters of elementary particles? Discuss their importance?
4. Explain different symmetry and conservation laws in nuclear reactions?
5. What is SU(3) symmetry? Discuss its role in particle classification?
6. Describe the concept of charge, mass, and spin interactions in elementary particles?
7. Explain the different conservation laws governing nuclear and particle interactions/ Elementary Particles?
8. Write a detailed note on the properties and behavior of K-mesons?
9. Explain the working principle of a betatron.
10. Discuss the principle of ‘Phase Stability’ in accelerators?
11. Explain in detail the Shell Model and state clearly the assumption of the shell model of a nucleus?