The ionization energy of the electron in the hydrogen atom in its grounds state is 13.6 eV. The atoms are excited to higher energy levels to emit radiations of 6 wavelengths. Maximum wavelength of emitted radiation corresponds to the transition between :

Question

( A ) n = 4 to n = 3 states
( B ) n = 2 to n = 1 states
( C ) n = 3 to n = 2 states
( D ) n = 3 to n = 1 states