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Physics · 2024

JEE Main · 29 January 2024, Shift 1 · Q47

The explosive in a Hydrogen bomb is a mixture of _1 H^2,_1 H^3 and _3 Li^6 in some condensed form. The chain reaction is given by _3 Li^6+_0 n^1 →_2…

The explosive in a Hydrogen bomb is a mixture of $\displaystyle { }_1 \mathrm{H}^2,{ }_1 \mathrm{H}^3$ and $\displaystyle { }_3 \mathrm{Li}^6$ in some condensed form. The chain reaction is given by $$\begin{aligned} & { }_3 \mathrm{Li}^6+{ }_0 \mathrm{n}^1 \rightarrow{ }_2 \mathrm{He}^4+{ }_1 \mathrm{H}^3 \\ & { }_1 \mathrm{H}^2+{ }_1 \mathrm{H}^3 \rightarrow{ }_2 \mathrm{He}^4+{ }_0 \mathrm{n}^1 \end{aligned} $$ During the explosion the energy released is approximately [Given ; $\displaystyle \mathrm{M}(\mathrm{Li})=6.01690 \mathrm{amu}, \mathrm{M}\left({ }_1 \mathrm{H}^2\right)=2.01471 \mathrm{amu}, \mathrm{M}\left({ }_2 \mathrm{He}^4\right)=4.00388$ amu, and $\displaystyle 1 \mathrm{amu}=931.5 \mathrm{MeV}$ ]
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JEE Main 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.