Exam-style question
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Explain how chain reactions are sustained in induced fission. What role do moderators play in this process?.
Model answer
What a good answer should say
- Chain reactions in induced fission are sustained when the neutrons released from one fission event induce further fission in nearby nuclei.
- Moderators slow down these neutrons, increasing the likelihood of further fission events by making them more likely to be captured by other heavy nuclei.
Explanation
Why this works
This question assesses the understanding of chain reactions and the function of moderators. A strong answer clearly articulates the relationship between neutron speed and fission probability, demonstrating a grasp of nuclear physics concepts.
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