Question detail
Which of the following statements is true regarding gamma 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 is highly ionising and weakly penetrating.
- B. It is weakly ionising and highly penetrating.
- C. It is strongly ionising and has a low penetration ability.
- D. It has no effect on atomic structure.
Answer
The correct answer is B: It is weakly ionising and highly penetrating..
Explanation
The correct answer is B: It is weakly ionising and highly penetrating.. This supports the learning objective "Explain why gamma radiation is weakly ionising but highly penetrating." in Radioactive decay and nuclear radiation 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 decay and nuclear radiation idea: It is highly ionising and weakly penetrating.; It is strongly ionising and has a low penetration ability.; It has no effect on atomic structure..
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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