A moderator _____________ the neutrons?
Correct answer: A. Slows down
- A. Slows down
- B. Absorbs
- C. Accelerates
- D. Reflects
Explanation
A moderator slows fast neutrons through repeated collisions with light nuclei, increasing the likelihood of further fission in materials such as uranium-235. It does not primarily absorb or accelerate the neutrons.
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