A beam of helium atoms moves with a velocity of`2 xx 10^(4) ms^(-1)`. Find the wavele
Channel: Doubtnut
Date: 2020-03-29

A beam of helium atoms moves with a velocity of`2 xx 10^(4) ms^(-1)`. Find the wavelength of paritcles constituting with the beam . Hint `:` Mass of helium atom `= ( 4)/( 6.022 xx 10^(23)) g`