Visible light ( and near - infrared light ) is typically absorbed and emitted by electrons in molecules and atoms that move from one energy level to another .
By definition , visible light is the part of the EM spectrum the human eye is the most sensitive to .
Visible light ( and near - infrared light ) is typically absorbed and emitted by electrons in molecules and atoms that move from one energy level to another .
By definition , visible light is the part of the EM spectrum the human eye is the most sensitive to .