The ratio of velocity of the electron in the third and orbit of `Li^(2+)` would be :

The ratio of velocity of the electron in the third and fifth orbit of Li^(2+) would be :

The ratio of velocity of the electron in the third and fifth orbit of Li^(2+) would be :

The ratio of the velocity of the electron in the first orbit to that in the second orbit is

The ratio of the velocity of the electron in the first orbit to that in the second orbit is

The ratio of the velocity of electron in 3rd and 5th orbit of hydrogen atom is

The ratio of the velocity of electron in 3rd and 5th orbit of hydrogen atom is

The velocity of electron in the third Bohr orbit of hydrogen is v. The velocity of the electron in the first orbit would be:

The electronic velocity in the fourth Bohr's orbit fo hydrogen is u . The velocity of the electron in the first orbit would be :