The ionization energy of a certain element is $$412\ \mathrm{kJ\,mol^{-1}}$$. When the atoms are in the first excited state, the ionization energy is only $$126\ \mathrm{kJ\,mol^{-1}}$$. The region of the electromagnetic spectrum in which the wavelength of light emitted in a transition from the first excited state to the ground state is

A

Visible

B

UV

C

IR

D

X-ray