[LO 0219] FEBRUARY 2019 Sub. Code: 1907
B.Sc. RADIOTHERAPY TECHNOLOGY
FIRST YEAR
PAPER II BASIC PHYSICS, RADIATION PHYSICS BASIC OF CLINICAL
RADIOGRAPHY/IMAGING
Q.P. Code: 801907
Time: Three Hours Maximum: 100 Marks
Answer all questions
I. Elaborate on: x 10 30)
1. Describe in detail Galvanometer, voltmeter, ammeter and multimeter.
2. Describe in detail natural and artificial radioactivity.
3. Explain in detail about the different type of interaction of X and Gamma radiation
with matter.
II. Write notes on: x 5 40)
1. Nuclear fusion.
2. Exponential decay of radioactivity.
3. Factors affecting the fluoroscopic image.
4. Explain in details about contrast, film speed and Latitude.
5. Advantages and disadvantages of MRI.
6. Radiographic film.
7. Magnetic effect of current.
8. Write notes on periodic table.
III. Short answers on: (10 x 3 30)
1. Safe light.
2. Heel effect.
3. Define fluorescence.
4. Fog and noise.
5. What is SPECT?
6. Natural and artificial radioactivity.
7. Define Isotope and Isobar.
8. Pair production.
9. HVL.
10. Half value layer.