What is the wavelength of light emitted from the n=4 to n=2 July 8, 2019 16 32 64 128 What is the wavelength of light emitted from the n 4 to n 2 Calculate the energy of a photon Wavelength of light emitted from n=5 to n = 2 What is the wavelength in nanometers of light when the energy of a mole of photons is 2.83 × 107 j