nuclei Question 22
Question: Q. 3. Tritium is an isotope of hydrogen whose nucleus Triton contains 2 neutrons and 1 proton. Free neutrons decay into
(a) triton energy is less than that of a
(b) the electron created in the beta decay process cannot remain in the nucleus.
(c) both the neutrons in triton have to decay simultaneously resulting in a nucleus with 3 protons, which is not a
(d) because free neutrons decay due to external perturbations which is absent in a triton nucleus.
[NCERT Exemplar]
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Solution:
Ans. Correct option : (a)
Explanation: Triton
If a neutron decays as,
Then nucleus will have 2 protons and 1 neutron, i.e. triton atom converts in ${ }{2} \mathrm{He}^{3}
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