Question

(D) 8:1
59. Which of the following are fissile
elements?
2350
2)
238U
-
239 Pu
3)
94
242pu
4)
94
Select the correct answer from the
codes given below:
(A) 1 and 2
(B) 1 and 3
(C) 1, 2 and 4
(D) 2, 3 and 4​

Answer 1

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The principal fissile materials are uranium-235 (0.7 percent of naturally occurring uranium), plutonium-239, and uranium-233, the last two being artificially produced from the fertile materials uranium-238 and thorium-232, respectively.

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