Question 38
Question 38 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
5. Nuclear physics
5.2.1. Detection of radioactivity

Use measurements of background radiation to determine a corrected count rate

5. Nuclear physics
5.2.6. Safety precautions

Explain how radioactive materials are moved, used and stored in a safe way, with reference to: (a) reducing exposure time (b) increasing distance between source and living tissue (c) use of shielding to absorb radiation