A) An atomic electron is ejected
B) An electron which is already present within the nucleus is ejected
C) A neutron in the nucleus decays emitting an electron
D) A part of the binding energy is converted into electron
Correct Answer: C
Solution :
Negative \[\beta -\]decay is expressed by the equation \[n={{p}^{+}}+{{e}^{-}}+{{\nu }^{-}}\]
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