A) \[(b-d)/4\]
B) \[(c-a)+1/2(b-d)\]
C) \[(a-c)-1/2(b-d)\]
D) \[(b-d)+2(c-a)\]
E) \[(b-d)+1/2(c-a)\]
Correct Answer: B
Solution :
During the transformation of\[^{b}{{X}_{a}}{{\xrightarrow{{}}}^{d}}{{Y}_{c}}\].The number of\[\beta -\]particles emitted is\[(c-a)+\frac{1}{2}(b-d)\]. Because by the emission of one\[\beta -\]particle atomic number is increased by one unit but mass number is unchanged.
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