1.

Assertion(A):Boron -10 isotopes is used as moderate in nuclear reactors. Reason(R):Boron has the capacity to absorb neutrons.

Answer»

(a) A and R are CORRECT and R explains A.
(B) A and R are correct and R not explains A.
(C) A is correct but R is WRONG.
(d) A is wrong but R is correct.

Answer :A


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