Question detail
How does gamma radiation compare to alpha and beta radiation in terms of ionising power?
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. Gamma radiation is the most ionising.
- B. Alpha radiation is the least ionising.
- C. Beta radiation is more ionising than gamma.
- D. Gamma radiation is weakly ionising.
Answer
Gamma radiation is weakly ionising.
Explanation
Gamma radiation is weakly ionising compared to alpha and beta radiation, which are more effective at ionising atoms due to their charge and mass.
Common mistake
Gamma Radiation Characteristics
Students often confuse the ionising power of gamma radiation with its penetrating ability, thinking it is strongly ionising.
Remember that gamma radiation is weakly ionising due to its high energy and ability to pass through materials, but it does not cause as much ionisation as alpha or beta radiation.
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