Question: Q. 3. Complete the following nuclear reactions :
(i) ${ }{5}^{10} \mathrm{~B}+{ }{0}^{1} n \rightarrow{ }_{2}^{4} \mathrm{He}+\ldots \ldots$.
(ii) ${ }{42}^{94} \mathrm{Mo}+{ }{1}^{2} \mathrm{H} \rightarrow{ }_{43}^{95} \mathrm{Te}$
U] [Delhi I, II, III 2015]
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Solution:
Ans. (i) ${ }{5}^{10} \mathrm{~B}+{ }{0}^{1} n \rightarrow{ }{2}^{4} \mathrm{He}+{ }{3}^{7} \mathrm{Li}$
1
(ii) ${ }{42}^{94} \mathrm{Mo}+{ }{1}^{2} \mathrm{H} \rightarrow{ }{43}^{95} \mathrm{Te}+{ }{0}^{1} n$
1
[Note: For reaction (i) even if the candidate writes ${ }_{3}^{7} X$, award 1 mark]
[CBSE Marking Scheme 2015]
