Approximately,what Is the De Broglie Wavelength of an Electron That

Multiple Choice

Approximately,what is the de Broglie wavelength of an electron that has been accelerated through a potential difference of 225 V? The mass of an electron is 9.11 × 10^-³¹ kg.

A) 0.14 nm
B) 0.082 nm
C) 0.043 nm
D) 0.0092 nm
E) 0.22 nm