1 वोल्ट विभवान्तर से त्वरित इलेक्ट्रॉन द्व

 this question can be solved by using the formula, $K . E=e V,$ where $e$ is the charge of an electron and $V$ is voltage. so here the kinetic energy would be equal to $\left(1.6 \times 10^{-19}\right) \times 1$ which is $1 e V$