Calculate the energy, frequency, and wavelength of a photon emitted or absorbed during an electronic transition between energy levels in an atom. This determines the spectral lines of elements.
Enter your values below
Starting energy level
Ending energy level
1 for hydrogen
How this calculator works
Energy difference between levels equals photon energy, which determines the frequency and wavelength of emitted or absorbed light.
Common questions about this calculator
These calculators are for educational and informational purposes only. While we strive for accuracy, results should be verified for critical applications. Always consult authoritative sources for engineering or scientific work.