If the 2nd excitation potential for a Hydrogen like atom in a simple is `108.9V`. Then the series limit of the paschen series for this atom is:

The series limit wavelength of the Balmer series for the hydrogen atom is

If the first excitation potential of a hypothetical hydrogen like atom is 15 V, then the third excitation potential of the atom is

If the series limit of wavelength of the Lyman series for the hydrogen atom is 912 overset@A , then the series limit of wavelength for the Balmer series of the hydrogen atom is:

The series limit of Balmer series is 6400 Å. The series limit of Paschen series will be

The limiting line in Paschen series corresponds to

The limiting line in Paschen series corresponds to

If series limit of Balmer series is 6400 Å , then series limit of Paschen series will be

If first excitation potential of a hydrogen-like atom is V electron volt, then the ionization energy of this atom will be: