Question detail
What is a common use of alpha radiation in everyday life?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Hazards and uses of radioactive emissions and of background radiation
Question
- A. Medical imaging
- B. Smoke alarms
- C. Cancer treatment
- D. Thickness monitoring
Answer
Smoke alarms
Explanation
Alpha radiation is used in smoke alarms because it ionizes the air, and smoke particles disrupt this ionization, triggering the alarm.
Common mistake
Misunderstanding Radiotherapy Targeting
Students often think that radiotherapy can be applied broadly without concern for healthy tissue damage.
Emphasize that radiotherapy must be precisely targeted to minimize damage to surrounding healthy tissues while effectively destroying cancer cells.
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