In a transition from one vibrational state to another, a molecule emits a photon of wavelength

$q,5\mathrm{.}56m.$ What is the energy difference between these two states?

A$)13\mathrm{.}6$ eV

B$)2\mathrm{.}23$ MeV

C$)0\mathrm{.}223$ eV

D$)0\mathrm{.}223$ MeV

E$)13\mathrm{.}6$ MeV