Sodium atom emits light with a wavelength of 330nm when an electron moves from a 4p orbital to a 3s orbital. what is the energy difference between the orbitals in KJ/mol?

Question

$(a)\;362KJ/mol\qquad(b)\;632.42KJ/mol\qquad(c)\;232.4KJ/mol\qquad(d)\;143.32KJ/mol$