Determine the speed of the electron in `n=3` orbit of `He^(+)` ion.

Calculate the speed of the electron in n=2 orbit of Li^(+ +) ion.

Determine the speed of the electron in the n=3 orbit of hydrogen atom.

If the speed of electron in first Bohr orbit of hydrogen be 'x' then speed of the 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

The speed of electron in the second orbit of Be^(3+) ion will be

The speed of electron in the second orbit of Be^(3+) ion will be

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

According to Bohr's model, if the kinetic energy of an electron in 2^(nd) orbit of He^(+) is x , then what should be the ionisation energy of the electron revolving in 3rd orbit of M^(5+) ion