" Energy of electron in second orbit of "He^(+)" is - "

If the speed of electron in the Bohr's first orbit of hydrogen atom be x, then the speed of electron in second orbit of He^(+1) is

If the speed of electron in first Bohr orbit of hydrogen be 'x' then speed of the electron in 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 second orbit of He^(+) is

Energy of electron moving in the second orbit of He^(+) ion is

Ratio of the total energy of electron in the second orbit of Li^(2+) to the first orbit of He^+ is

What is the velocity of electron in second orbital of He^(+) ion.