Omeprazole side effects. Get emergency medical help if you have signs of an allergic reaction to omeprazole: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have: severe stomach pain, diarrhea that is watery or bloody; seizure (convulsions);
When we consider light as an electromagnetic wave, a color's spectral signature may be identified by noting its wavelength. We sense the waves as color, violet being the shortest wavelength and red the longest. Visible light is the range of wavelengths within the electromagnetic spectrum that the eye responds to. Although radiation of longer or shorter wavelengths are present, the human eye is not capable of responding to it. Figure 2.
See explanation. Color implies visible light, so to answer your question: red light has the longest wavelength #(~~620 - 740 nm)#. However, there also exists light with even longer wavelengths that are not visible to the human eye, from infrared light to radio waves (with wavelengths that are meters long!)