Question detail
What is a key requirement for nuclear fusion to occur?
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. Low temperature and low pressure.
- B. High temperature and high density.
- C. Moderate temperature and moderate pressure.
- D. No specific conditions are needed.
Answer
The correct answer is B: High temperature and high density..
Explanation
The correct answer is B: High temperature and high density.. This supports the learning objective "(Physics only) Explain why high pressure or high density helps nuclei collide in fusion conditions." 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: Low temperature and low pressure.; Moderate temperature and moderate pressure.; No specific conditions are needed..
Common mistake
Misunderstanding Fusion Conditions
Students often think that high temperature alone is sufficient for nuclear fusion without considering the role of high pressure or density.
Emphasize that both high temperature and high pressure/density are crucial for overcoming electrostatic repulsion and facilitating collisions between nuclei.
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