An Energy of 13

Multiple Choice

An energy of 13.6 eV is needed to remove an electron from the n = 3 state of a lithium atom.If a single photon accomplishes this task,what wavelength is needed? (h = 6.63 × 10−³⁴ J⋅s,c = 3.00 × 10⁸ m/s,1 eV = 1.6 × 10−¹⁹ J,and 1 nm = 10−⁹ m)

A) 146.3 nm
B) 30.5 nm
C) 13.8 nm
D) 91.4 nm
E) ​234 nm