Question

Which of the following transitions (in a hydrogen atom) represent emission of the longest wavelength photon? n = 4 to n=2 n= 3 to n=4 n = 3 to n=1 n = 5 to n=4 n=1 to n=2

Show transcribed image text Which of the following transitions (in a hydrogen atom) represent emission of the longest wavelength photon? n = 4 to n=2 n= 3 to n=4 n = 3 to n=1 n = 5 to n=4 n=1 to n=2