Question detail
What is a chain reaction in the context of nuclear fission?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Nuclear fission and fusion
Question
- A. A process where two light nuclei combine to form a heavier nucleus.
- B. A series of repeated fission events initiated by emitted neutrons.
- C. A method to control the energy output of a nuclear reactor.
- D. A reaction that occurs only in stars.
Answer
The correct answer is B: A series of repeated fission events initiated by emitted neutrons..
Explanation
The correct answer is B: A series of repeated fission events initiated by emitted neutrons.. This supports the learning objective "(Physics only) Compare nuclear fusion with nuclear fission." in Nuclear fusion (physics only) because it uses the correct atomic and nuclear radiation relationship for Nuclear fission and fusion. The other options are less suitable because they do not match the required Nuclear fusion (physics only) idea: A process where two light nuclei combine to form a heavier nucleus.; A method to control the energy output of a nuclear reactor.; A reaction that occurs only in stars..
Common mistake
Confusing Fusion and Fission
Students often confuse nuclear fusion with nuclear fission, thinking both processes are the same.
Remember that fusion is the joining of two light nuclei to form a heavier nucleus, while fission is the splitting of a large unstable nucleus.
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