An Electron Is Accelerated Through a Potential Difference of 25

Multiple Choice

An electron is accelerated through a potential difference of 25 000 V.What is the de Broglie wavelength of the electron (in m) ?

A) 5.9 *10-12
B) 6.8 * 10-12
C) 6.5 *10-12
D) 7.8 * 10-12
E) 5.5 *10-12