Wavelength of an electron is 5Å. Velocity of the electron is

1.	Wavelength of an electron is 5Å. Velocity of the electron is
Answer» `1.45 XX 10^(8) cm//s` `1.6 xx 10^(-8) cm//s` `3.2 xx 10^(-27) cm//s` `3.2 xx 10^(27) cm//s` ANSWER :A

Discussion