The First Bohr Radius,r₀,is 0

The first Bohr radius,r₀,is 0.0529 nm and the corresponding energy,E₀,is 13.6 eV.The wavelength of the light emitted as a hydrogen atom undergoes a transition from state n = 3 to n = 2 is

A) 656 nm
B) 486 nm
C) 434 nm
D) 410 nm
E) None of these is correct.