The radius of the an orbit of hydrogen atom is 0.85nm . Calculate the velocity of electron in this orbit.

Explanation

`r=r_(0)n^(2)" "n^(2)=16`
`n=4`
`V=V_(0).(Z)/(n)=2.186xx10^(6)xx(1)/(4)=5.44xx10^(5)m//s`