What are the values of first and second excitation potential of hydrogen atom?

Calculate the first and second excitation potentials of hydrogen atom.

What is the value of first excitation energy of hydrogen atom ?

Find the first and second excitation potentials of an atom when its ionisation potential is 122.4 V .

The ratio of radii of orbits correponding to first and second excited states of hydrogen atom is

The first excitation potential of a hypothetical hydrogen- like atom is 15 V . Find the third excitation potential of the atom.

The first excitation potential of a hypothetical hydrogen- like atom is 15 V . Find the third excitation potential of the atom.

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

State the value of minimum excitation energy for Hydrogen atom.