de-Broglie wavelength of an electron accelerated by a voltage of 50 V is close to $(|e| = 1.6 \times 10^{-19} C, m_e = 9.1 \times 10^{-31} kg, \; h = 6.6 \times 10^{-34} Js)$ :

Question

( A ) $1.7 \mathring{A}$
( B ) $2.4 \mathring{A}$
( C ) $1.7 \mathring{A}$
( D ) $1.2 \mathring{A}$