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Question: Answered & Verified by Expert
A nuclear transformation is denoted by $X(n, \alpha){ }_3^7 \mathrm{Li}$. Which of the following is the nucleus of element $X$ ?
PhysicsNuclear PhysicsJEE MainJEE Main 2005
Options:
  • A
    ${ }^{12} \mathrm{C}_6$
  • B
    ${ }_5^{10} \mathrm{~B}$
  • C
    ${ }_5^{9} \mathrm{~B}$
  • D
    ${ }_4^{11} \mathrm{~Be}$
Solution:
1249 Upvotes Verified Answer
The correct answer is:
${ }_5^{10} \mathrm{~B}$
$\mathrm{X}+{ }_0^1 \mathrm{n} \rightarrow{ }_2^4 \mathrm{He}+{ }_3^7 \mathrm{Li}$

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