AP EAPCET 20-Aug-2021 Shift 2 Paper

As we know that,
In case of (−β) - decay we get +e10 positron, so atomic number of reactant increases get by 1
and in case of γ-decay we get only gamma-ray and no change in atomic number as well as mass.
∴Np93229→Pu94239+β−+γ− is possible
whereas (a), (b) and (d) are not possible.