Calculate the ratio of energies of `He^(+)` for `1^(st) & 2^(nd)` excited state.

Calculate the radius ratio of 2^(nd) excited state of H & 1^(st) excited state of Li^(+2) .

Calculate the radius ratio of 2^(nd) excited state of H & 1^(st) excited state of Li^(+2) .

Calculate the radius ratio of 2^(nd) excited state of H & 1^(st) excited state of Li^(+2) .

Calculate the energy of Li^(+2) atom for 2^(nd) excited state.

Calculate the energy of Li^(+2) atom for 2^(nd) excited state.

Calculate the energy of Li^(+2) atom for 2^(nd) excited state.

The ground state energy of the hydrogen atom is 13.6 eV. Calculate (i)the kinetic energy of the electron in the 1^(st) excited state. (ii)the potential energy of the electron in the 3^(rd) excited state. (iii)frequency of the photon emitted if the electron jumps from the 3^(rd) excited state of 1^(st) excited state.

Which is formed in II^(nd) excited state :-

Which is formed in II^(nd) excited state :-

lonisatiori energy for hydrogen atom in the ground state is E.What is the ionisation energy of Li^(++) atom in the 2^(nd) excited state?