Question 1
Question detail
What is the main risk associated with ionising radiation?
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. It can increase the risk of cancer or mutations
- B. It causes immediate physical harm
- C. It has no long-term effects
- D. It only affects the environment
Answer
The correct answer is A: It can increase the risk of cancer or mutations.
Explanation
The correct answer is A: It can increase the risk of cancer or mutations. This supports the learning objective "Define radioactive contamination as the unwanted presence of radioactive atoms on or inside an object or person." 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: It causes immediate physical harm; It has no long-term effects; It only affects the environment.
Common mistake
Confusing Contamination with Irradiation
Students often confuse radioactive contamination with irradiation, thinking that both terms mean the same thing.
Remember that contamination refers to the unwanted presence of radioactive atoms on or inside an object or person, while irradiation is simply exposure to ionising radiation from a radioactive source.
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