EntityQ2646911· pop 6· linked from 26 articlesoptical radiationSign in to savePart of the electromagnetic spectrumConnectionsultraviolet radiationEntityX-rayEntityinfrared radiationEntitySunConceptlightEntityredEntitygreenEntityyellowEntityblueEntityorangeEntityfrequencyEntityopticsEntitylaserEntityvioletEntitywavelengthEntitylensEntitygamma rayEntityradio waveEntitymicrowaveEntityvisible spectrumEntityCategoriesElectromagnetic radiationElectromagnetic spectrumOccupational hazards