An atomic nucleus $_{90}T{h^{232}}$ emits several $\alpha$ and $\beta$ radiations and finally reduces to $_{82}P{b^{208}}$. It must have emitted
An atomic nucleus $_{90}T{h^{232}}$ emits several $\alpha$ and $\beta$ radiations and finally reduces to $_{82}P{b^{208}}$. It must have emitted
- A
$4 \alpha \,and \,2 \beta$
- B
$8 \alpha \,and \,24 \beta$
- C
$6 \alpha \,and \,4 \beta$
- D
$4 \alpha \,and \,16 \beta$
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- [AIPMT 1999]
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