Physics · 2021
JEE Main · 22 July 2021, Shift 2 · Q19
A nucleus with mass number 184 initially at rest emits an α -particle. If the Q value of the reaction is 5.5 MeV, calculate the kinetic energy of the…
A nucleus with mass number $\displaystyle 184$ initially at rest emits an $\displaystyle \alpha$-particle. If the $\displaystyle Q$ value of the reaction is $\displaystyle 5.5$ MeV , calculate the kinetic energy of the $\displaystyle \alpha$-particle.
Official answer
(2)
5.$\displaystyle 38$ MeV
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.