The velocity of an electron in single electron atom in an orbit

The velocity of an electron in the first orbit of H atom is v. The velocity of an electron in the 2nd orbit of He^+ atom.

The velocity of an electron in the first orbit of H atom is v . The velocity of an electron in the second orbit of He^(+) is

The velocity of an electron in the first orbit of H atom is v . The velocity of an electron in the second orbit of He^(+) is

The velocity of an electron in the first orbit of H-atom is v. The velocity of an electron in the 2nd orbit

The velocity of an electron in the second orbit of sodium atom (atomic number = 11 ) is v . The veocity of an electron in its fifth orboit wil be

The velocityof an electron in second orbit of tenly ionized sodium atom (atomic number Z= 11) is v. The velocity of an electron in its fifth orbit will be:

The velocity of an electron in its fifth orbit, if the velocity of an electron in the second orbit of sodium atom (atomic number =11) is v, will be :

The velocity of electron in first orbit of H-atom as compared to the velocity of light is

If velocity of an electron in I orbit of H atom is V , what will be the velocity of electron in 3^(rd) orbit of Li^(2+)