The $KE$ of an electron with de-Broglie wavelength of $0.3\: nm$ is

Question

$\begin {array} {1 1} (a)\;0.168\: eV & \quad (b)\;16.8\: eV \\ (c)\;1.68\: eV & \quad (d)\;2.5\: eV \end {array}$