help please, for question: a hydrogen atom, initially in ground state, absorbs a photon, and is excited to its second excited state. What were the wavelength and the energy of the photon by the atom. Did i do it right.
1/λ = (1.097*10^7)(1/n1^2 - 1/n2^2)
1/λ = (1.097*10^7)(1/1^2 -...