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

A

$$12.2 \times 10^{-12}m$$

B

$$12.2 \times 10^{-14}m$$

C

$$12.2 nm$$

D

$$12.2 \times 10^{-13}m$$