An electron and a photon each have a wave length of $1.0\;nm$ . Find their momentum. $(h= 6.6 \times 10^{-34}\;Js)$

Question

$\begin{array}{1 1} 6.63 \times 10^{25}\;m \\ 6.63 \times 10^{-25}\;m \\ 6.63 \times 10^{31}\;m \\ 6.63 \times 10^{-31}\;m \end{array}$