Question detail
Why is nuclear fusion difficult to use as an energy source on Earth?
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 requires very high temperatures and pressures.
- B. It produces too much radioactive waste.
- C. It is easier to control than fission.
- D. It occurs naturally in nuclear reactors.
Answer
The correct answer is A: It requires very high temperatures and pressures..
Explanation
The correct answer is A: It requires very high temperatures and pressures.. This supports the learning objective "(Physics only) Explain why fusion is difficult to use as an energy source on Earth." 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 produces too much radioactive waste.; It is easier to control than fission.; It occurs naturally in nuclear reactors..
Common mistake
Misunderstanding Fusion Conditions
Students often think that fusion can occur at normal temperatures and pressures, not realizing the extreme conditions required.
Emphasize that fusion requires very high temperatures and pressures to overcome electrostatic repulsion between nuclei.
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