An Electron in the N = 3 State of a Hydrogen

Multiple Choice

An electron in the n = 3 state of a hydrogen atom falls into the n = 2 state.The Rydberg constant R is 1.097 $\times$ 10^-2/nm.The wavelength of the photon emitted is approximately

A) 103 nm
B) 110 nm
C) 122 nm
D) 486 nm
E) 656 nm