The electron emitted in beta radiation originates from

Q: The electron emitted in beta radiation originates from

(A) inner orbits of atom

(B) free electrons existing in nuclei

(C) decay of a neutron in a nucleus

(D) photon escaping from the nucleus

Ans: (C)

Sol: During Beta decay , a neutron is transformed into a proton and electron . During Beta decay atomic number increases by one and mass number remains unchanged .