Physics · 2023
JEE Main · 29 January 2023, Shift 1 · Q21
A radioactive element _92^242 X emits two α -particles, one electron and two positrons. The product nucleus is represented by _P^234 Y. The value of…
A radioactive element $\displaystyle { }_{92}^{242} \mathrm{X}$ emits two $\displaystyle \alpha$-particles, one electron and two positrons. The product nucleus is represented by $\displaystyle { }_{\mathrm{P}}^{234} \mathrm{Y}$. The value of P is
$\displaystyle \_\_\_\_$
Official answer
From NTA’s final answer key for this paper.
87
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.