Download RGUHS (Rajiv Gandhi University of Health Sciences) B.Sc in Radiotherapy Technology (Bachelor of Science inRadiotherapy Technology) 2019 October 2nd Year 2204 Basic Radiation Physics Previous Question Paper
RAJIV GANDHI UNIVERSITY OF HEALTH SCIENCES
II Year B.Sc Radiography Degree Examination OCT-2019
Time: 3 Hours
Max.Marks:80
BASIC RADIATION PHYSICS
Q.P.CODE:2204
Your answers should be specific to the questions asked.
Draw neat labeled diagrams wherever necessary. Answer all questions
LONG ESSAYS (Answer any two)
2X10=20 Marks
1. Write in detail about the construction and working of a rotating anode x-ray tube.
(10)
2. Explain the principle, construction and operation of a High Tension transformer. (10)
3. Describe the three important methods by which x-rays and gamma rays interact with the
medium. (10)
SHORT ESSAYs (Answer any Ten)
6X5=50 Marks
4. What are the important properties of x-rays.
5. What is the principle of operation of a low tension transformer.
6. What is meant by stochastic and non-stochastic effect and give examples.
7. What is meant by Maximum Permissible Dose and mention the dose limits for radiation
workers and public?
8. How fluoroscopic Rating charts are useful.
9. Briefly write about characteristics of grids.
10. Write about the principle of operation of full wave rectifier circuit.
11. Briefly write about the principle of operation of a image intensifier tube.
12. How the tube current is controlled in an x-ray circuit.
14. Write about the principle and operation of a TLD badge.
15. How radiation and optical field alignment is checked in the x-ray unit.
SHORT ANSWERS
5X2=10
16. Half life
17. Rectifiers
18. Atomic number
19. Use factor
20. Heel effect
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This post was last modified on 24 June 2022