The de-Broglie wavelength of an electron having $80\;eV$ energy is nearly : <br> ($1\;eV = 1.6 \times 10^{-19} J$) <br> Mass of electron = $9 \times 10^{-31} kg$ <br> Planck's constant = $6.6 \times 10^{-34} Js$)

Question

( A ) $140 \mathring{A}$
( B ) $14 \mathring{A}$
( C ) $0.14 \mathring{A}$
( D ) $1.4 \mathring{A}$