OCTOBER 2018 Sub. Code: 1801
M.Sc. RADIOLOGY AND IMAGING TECHNOLOGY EXAMS
FIRST YEAR
PAPER I RADIOLOGICAL PHYSICS
Q.P. Code 281801
Time: Three hours Maximum 100 Marks
I. Elaborate on: x 20 40)
1. Write in detail about historical aspects and construction of the X-ray tubes,
requirement of X-ray production, space charge, cathode assembly and X-ray
production efficiency.
2. Types of interaction of ionizing radiation with matter-explain in detail about the
interaction of gamma-ray with matter.
II. Write notes on: (10 x 6 60)
1. Write about linear energy transfer and energy relationship of X-ray with alpha
beta particles.
2. Explain the working principle of anode angulation and rotating tubes and line
focus principle in X-rays.
3. Write in detail about photon flux and energy flux density in radiation.
4. Write about interlocking and X-ray tube overload protection.
5. Write in detail about the types of generators and working principle.
6. Explain about the relationship between the absorbed dose and equivalent dose.
7. Write in detail about the working mechanism and use of the thermo luminescent
dosimeter.
8. Write about the working principle of computed tomography.
9. What are the requirements of X-ray production?
10. What are hard and soft X-rays and write about the added and inherent filtration?