An electron is accelerated through a potential difference of 10,000 V. Its de Broglie wavelength is, (nearly):$(m_c=9\times10^{-31}kg)$

Question

( A ) $12.2 \times 10^{-14} m$
( B ) $12.2 \times 10^{-13} m$
( C ) $12.2 \times 10^{-12} m$
( D ) 12.2 nm