In -decay, an electron comes out from an atom. The electron comes out due to nuclear change, not from the orbit of the atom. It may be explained by the fact that on -decay,

Question

In $\beta$-decay, an electron comes out from an atom. The electron comes out due to nuclear change, not from the orbit of the atom. It may be explained by the fact that on $\beta$-decay,

Prashant Kotian · Accepted Answer

Correct answer: C. In beta decay, a neutron transforms into a proton and an electron. The newly formed proton stays in the nucleus, changing the atomic number and hence the atomic species. This verifies it is a nuclear phenomenon. Therefore, correct answer is C.

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