Question detail
Which of the following statements about nuclear fusion is true?
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 can easily be controlled and sustained on Earth.
- B. It requires conditions similar to those found in stars.
- C. It produces large amounts of radioactive waste.
- D. It is a process of splitting heavy nuclei.
Answer
The correct answer is B: It requires conditions similar to those found in stars..
Explanation
The correct answer is B: It requires conditions similar to those found in stars.. 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 can easily be controlled and sustained on Earth.; It produces large amounts of radioactive waste.; It is a process of splitting heavy nuclei..
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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