The speed of an electron in the orbit of hydrogen atom in the ground state is

The speed of an electron, in the orbit of a H-atom, in the ground state is

The speed of an electron in the 4^"th" orbit of hydrogen atom is

The speed of an electron in the 4^"th" orbit of hydrogen atom is

The speed of an electron in the 4^"th" orbit of hydrogen atom is

The speed of the electron in the 1st orbit of the hydrogen atom in the ground state is (c is the veloicty of light)

The speed of the electron in the Ist orbit of the hydrogen atom in the ground state is (c is the velocity of light):c 1/1.37 c/ 1370 c/ 13.7 c/ 137

The ratio of the speed of an electron in the first orbit of hydrogen atom to that in the first orbit of He is

The ratio of the speed of an electron in the first orbit of hydrogen atom to that in the first orbit of He is

The angular speed of electron in the nth orbit of hydrogen atom is