10 Question RT quiz

1. The most commonly used target material in an X-ray tube is:

2. The specific activity of Cobalt-60 depends on:

3. In X-ray radiography, alternating current must be changed to pulsating direct current in order to satisfy the need for unidirectional current. This change may be accomplished by

4. Subject contrast is affected by:

5. The absorption of gamma-rays from a given source when passing through a metal is due to:

6. A light image of a backing "B" on a processed radiograph is probably caused by:

7. For a given change in the radiation exposure, film contrast is the inherent ability to show:

8. Filters used at the port of the X-ray tube:

9. As an effective energy of the radiation increases up to about 250 kV:

10. What is the primary difference between X-rays and gamma rays of the same energy?

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