The Longest Wavelength of a Photon That Can Be Emitted

Multiple Choice

The longest wavelength of a photon that can be emitted by a hydrogen atom,for which the initial state is n = 3,is closest to which one of the following values? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)

A) 550 nm
B) 575 nm
C) 600 nm
D) 625 nm
E) 658 nm