The radius of hydrogen atom , when it is in its second excite state , becomes:

What is the ratio of the energies of an hydrogen atom, when it is in the third and second excited states?

The ratio of the energies of the hydrogen atom in its first to second excited state is

The ratio of the energies of the hydrogen atom in its first to second excited state is

The ratio of the energies of the hydrogen atom in its first to second excited state is

When hydrogen atom is in its second excited level, then its radius becomes

The ratio of the energy of hydrogen atom in its first excited to second excited state is

The ratio of the binding energies of the hydrogen atom in the first and the second excited states is