Question 1
Question detail
Why is high pressure important for nuclear fusion?
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. It increases the temperature of the nuclei.
- B. It helps nuclei collide more frequently.
- C. It reduces the energy required for fission.
- D. It prevents the formation of heavier nuclei.
Answer
The correct answer is B: It helps nuclei collide more frequently..
Explanation
The correct answer is B: It helps nuclei collide more frequently.. 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: It increases the temperature of the nuclei.; It reduces the energy required for fission.; It prevents the formation of heavier nuclei..
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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