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 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 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 moving in 3rd orbit of He^(+) is v. The velocity of electron moving in 2nd orbit of Li^(+2) is

The velocity of electron moving in 3rd orbit of He^(+) is v. The velocity of electron moving in 2nd orbit of Li^(+2) 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 velocity of an electron in the fourth Bohr's orbit of hydrogen is v. The velocity of the electron in the first orbit would be :

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

Velocity of the electron in the 1^(st) Bohr orbit of H-atom is