Find the binding energy of an electron in the ground state of hydrogen-like ions in whose spectrum the third line of the Balmer series is `120 nm`.

Find the binding energy of the electron in the ground state of hydrogen-like ions in whose spectrum the third line of the Balmer series is equal to 108.5nm .

Find the binding anergy of an electron in the ground state of a hydrogen like atom in whose spectrum the thrid Balmer line is equal to 108.5 mm.

Find the binding anergy of an electron in the ground state of a hydrogen like atom in whose spectrum the thrid Balmer line is equal to 108.5 mm.

" The binding energy for the third electron in the ground state of "Li" -atom (in eV) should be "

The wavelength of the third line of the Balmer series for a hydrogen atom is -

The wavelength of the third line of the Balmer series for a hydrogen atom is -

The wavelength of the third line of the Balmer series for a hydrogen atom is -

The excited energy of a He^(+) ion is the same as the ground state energy of hydrogen is it always true that one of the energies of any hydrogen like ion will be the same as the ground state energy of a hydrogen atom?