Which is not a fissile nuclear material ?
Correct answer: C. U-238
- A. U-233
- B. U-235
- C. U-238
- D. Pu-239
Explanation
U-233, U-235, and Pu-239 are fissile because they can sustain a chain reaction with slow neutrons. U-238 is mainly fertile, meaning it can be converted into Pu-239 after neutron absorption but is not conventionally fissile itself.
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