EntityQ332829· pop 19· linked from 99 articlesabsorption lineSign in to saverange on the electromagnetic spectrum which are characteristic of a certain transition from initial to final state in a substanceConnectionsspectral lineEntityspectroscopyEntityatomEntityoxygenEntitylightEntityenergyEntitynitrogenEntitymoleculeEntityglassEntityquantum mechanicsEntityInternational Standard Book NumberEntitysolidEntityatmosphere of EarthEntityfrequencyEntityX-rayEntityultraviolet radiationEntityatomic nucleusEntityelectromagnetic radiationEntityinfrared radiationEntityphotonEntityCategoriesSpectroscopy