Question detail
Which of the following describes radioactive contamination?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Atoms and nuclear radiation
Question
- A. The presence of radioactive atoms on or inside an object.
- B. Exposure to ionising radiation.
- C. The process of radioactive decay.
- D. The emission of radiation from a source.
Answer
The correct answer is A: The presence of radioactive atoms on or inside an object..
Explanation
The correct answer is A: The presence of radioactive atoms on or inside an object.. This supports the learning objective "Explain why an irradiated object does not become radioactive." in Radioactive contamination because it uses the correct atomic and nuclear radiation relationship for Atoms and nuclear radiation. The other options are less suitable because they do not match the required Radioactive contamination idea: Exposure to ionising radiation.; The process of radioactive decay.; The emission of radiation from a source..
Common mistake
Confusing Irradiation with Contamination
Students often think that an irradiated object becomes radioactive.
Remember that irradiation is just exposure to radiation; it does not change the object's atomic structure.
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