Nuclear Physics Question 5

Question 5 - 29 January - Shift 1

A radioactive element $ _92^{242} X$ emits two $\alpha$-particles, one electron and two positrons. The product nucleus is represented by $ _P^{234} Y$. The value of $P$ is

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Answer: (87)

Solution:

Formula: Alpha - Decay Process

$ \begin{aligned} & P=92-2-2+1-1-1 \\ & P=92-5 \\ & \mathbf{P}=\mathbf{8 7} \end{aligned} $