`M_(x) and M_(y)` denote the atomic masses of the parent and the dougther nuclei res
Channel: Doubtnut
Date: 2020-08-02

`M_(x) and M_(y)` denote the atomic masses of the parent and the dougther nuclei respectively in a radioactive decay. The Q - value for a `beta-` decay is `Q_(1)` and that for a `beta^(+)` decay is `Q_(2)`. If `m_(e)` denotes the mass of an electrons, then which of the following statements is correct?