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

Velocity of the electron in the 1st Bohr orbit

Velocity of the electron in the 1^(st) Bohr orbit

What is the velocity of electrons in'the first Bohr Orbit of Hydrogen atom: