Question

Tritium is an isotope of hydrogen whose nucleus triton contains 2 neutrons and 1 proton. Free neutrons decay into $p+e^{-}+\bar{v}$. If one of the neutrons in triton decays, it would transform into ${He}^3$ nucleus. This does not happen. This is because

Accepted Answer

Triton energy is less than that of a $\mathrm{He}^3$ nucleus

Answer

The electron created in the beta decay process cannot remain in the nucleus

Answer

Both the neutrons in trition have to decay simultaneously resulting in a nucleus with 3 protons, which is not a ${He}^3$ nucleus

Answer

Because free neutrons decay due to external perturbations which is absent in a triton nucleus

JEE PHYSICS MCQ: NUCLEI

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