OCTOBER 2018 Sub. Code: 4011
M.Sc. MEDICAL PHYSICS DEGREE EXAMS
FIRST YEAR
PAPER I RADIATION PHYSICS
Q.P. Code 284011
Time Three hours Maximum 100 marks
I. Elaborate on x 20 40)
1. Describe in detail about interaction of heavy charged particles with matter.
2. Write in detail about the principle of working of transformer and explain in detail
about its types.
II. Write notes on (10 x 6 60)
1. Relation between KERMA and exposure.
2. Photoelectric effect.
3. Equivalent and effective dose.
4. Pair production and its application.
5. Define half life and derive an expression for it.
6. Stopping power ratio.
7. Cerenkov radiation.
8. Explain about the motion of an electron in an electric field.
9. Ionization and Excitation.
10.Merits and demerits of Rutherford atomic model.