1.

During a negative \[\beta \]-decay [MNR 1990; IIT 1985]

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 of the nucleus is converted into an electron
Answer» D. A part of the binding energy of the nucleus is converted into an electron


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