Physics · 2011
NEET 2011 · Prelims · Code A · Q46
A nucleus _n^m X emits one α particle and two β^- particles. The resulting nucleus is:
A nucleus $\displaystyle { }_{\mathrm{n}}^{\mathrm{m}} \mathrm{X}$ emits one $\displaystyle \alpha$ particle and two $\displaystyle \beta^{-}$ particles. The resulting nucleus is :
Official answer
(4)
$\displaystyle { }_{\mathrm{n}}^{\mathrm{m}-4} \mathrm{X}$
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NEET (UG) 2011 Physics question, with the answer from NTA’s final answer key. Where our answers come from.