Question

During a negative beta decay.

(1) an atomic electron is ejected

(2) an electron which is already present within the nucleus is ejected

(3) A neutron in the nucleus decays emitting an electron

(4) A part of the binding energy of the nucleus is converted into an electron

Answer 1

(3) A neutron in the nucleus decays emitting an electron

During a negative beta decay, the reaction which takes place is

Here \(\bar\nu\) is an anti neutrinos