Photon absorption occurs when an atom or molecule captures incoming photons and gains their energy.
Photon Absorption cheat sheet for homework
Absorption Spectrum: A graph showing how much light is absorbed by different substances at different wavelengths.
The branch of physics that describes the behavior of matter and energy at the smallest scales, including the interaction between photons and atoms.
The phenomenon where electrons are ejected from a material when it absorbs photons with sufficient energy.