Question detail
What is defined as exposure to ionising radiation from a radioactive source?
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. Radioactive contamination
- B. Irradiation
- C. Radioactive decay
- D. Nuclear fission
Answer
Irradiation
Explanation
Irradiation refers specifically to the exposure to ionising radiation, while radioactive contamination involves the unwanted presence of radioactive materials.
Common mistake
Confusing Irradiation with Contamination
Students often confuse irradiation with contamination, thinking that exposure to radiation makes an object radioactive.
Clarify that irradiation refers to exposure to radiation, while contamination involves the presence of radioactive materials on or inside an object.
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