OCTOBER 2018 Sub. Code: 4014
M.Sc. MEDICAL PHYSICS EXAMS
FIRST YEAR
PAPER IV RADIATION DOSIMETRY AND STANDARDIZATION
Q.P. Code 284014
Time Three hours Maximum 100 Marks
I. Elaborate on: x 20 40)
1. Explain how IAEA's TRS-398 protocol differ from TG-51.
2. Explain the mathematical derivation for Bragg-Gray theory principle.
II. Write notes on: (10 x 6 60)
1. Tissue Weighting Factor.
2. High Energy Beam Quality Index.
3. Standardisation of Beta emitters.
4. Neutron Dosimetry Principles.
5. Parallel plate chambers.
6. Beta Gamma Coincidence counting.
7. Limitations of Free air ion Chambers.
8. Temperature and Pressure correction.
9. Beer-Lambert's Law.
10. Bragg-Gray theory.