List of top Physics Questions on de broglie hypothesis asked in Punjab PMET

The kinetic energy of an electron is $ 5\,\,eV $ . Calculate the de-Broglie wavelength associated with it ( $ h=6.6\times {{10}^{-34}}\,\,Js $ , $ {{m}_{e}}=9.1\times {{10}^{-31}}kg $ ):