$1.$ An electron is accelerated from rest through a potential difference of$1\mathrm{.}52102$V$.$Determine the following for the electron.

$($a$)$ speed $($ignore relativistic effects$)($Ans: $7\mathrm{.}31$e$+06$m$/$s$)$

$($b$)$ de Broglie wavelength $($Ans: $9\mathrm{.}96$e$-11$m$)$