SATHEE: Nuclei Ques 90

Nuclei Ques 90

90. A free neutron decays into a proton, an electron and

[1997]

(a) a beta particle

(c) an anti-neutrino

(b) an alpha particle

(d) a neutrino

Show Answer

Answer:

Correct Answer: 90.(c)

Solution:

(c) $ _0 n^{1} \longrightarrow _1 p^{1}+ _{-1} e^{0}+X$

$X$ must have zero charge and almost zero mass as electron is emitted. Hence $X$ must be anti-neutrino.

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Nuclei

Nuclei Ques 90

90. A free neutron decays into a proton, an electron and

Answer:

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