What possibly can the ratio be of the de Broglie wavelengths for two electrons having the same initial energy and accelerated through 50 volts and 200 volts ?

What possibly can the ratio be of the de Broglie wavelengths for two e

1.	What possibly can the ratio be of the de Broglie wavelengths for two electrons having the same initial energy and accelerated through 50 volts and 200 volts ?
Answer» `3:10` `10:3` `1:2` `2:1` ANSWER :D