If `""_(a)X^(b)` emits firstly a positron, then two `alpha` and two `beta` and in the last `alpha`
Channel: Doubtnut
Date: 2021-11-02

If `""_(a)X^(b)` emits firstly a positron, then two `alpha` and two `beta` and in the last `alpha` is emitted and finally it converts to `""_(d)^(c)Y`. The correct relation is