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JEE Main 2005 (AIEEE) · Nuclear Reactions & Q-value

Nuclear Reactions & Q-value question from JEE Main 2005 (AIEEE)

Q23JEE Main 2005 · AIEEEEasy

Nuclear Reactions & Q-value

A nuclear transformation is denoted by $X\,(n, \alpha)\,{}_{3}^{7}Li.$ Which of the following is the nucleus of element $X$ ?

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Answer: (a)

$X + {}_{0}^{1}n \to {}_{3}^{7}Li + {}_{2}^{4}He$
$A = 7 + 4 - 1 = 10$ , $Z = 3 + 2 = 5$
So the answer is (a) ${}_{5}^{10}B$ .

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