Physics - Modern Physics Question with Solution | TestHub

A nucleus X emits a beta particle to produce a nucleus Y. If their atomic masses are ${\mathrm{M}}_{\mathrm{x}}$ and ${\mathrm{M}}_{\mathrm{y}}$ respectively, the maximum energy of the beta particle emitted is (where $m_e$ is the mass of an electron and $c$ is the velocity of light)