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}