Long wavelengths of light are found at which end of the visible spectrum?

Long wavelengths of light correspond to the red end of the visible spectrum. The visible spectrum is a range of electromagnetic radiation that can be seen by the human eye, and it is typically depicted as a continuum of colors ranging from violet (at the short-wavelength end) to red (at the long-wavelength end).

Red light has a wavelength of approximately 620 to 750 nanometers, which makes it one of the longest wavelengths within the visible spectrum. As you move from red towards the blue end of the spectrum, the wavelengths decrease, resulting in shorter wavelengths for blue light. This categorization of light by wavelength is crucial in understanding how different colors are perceived and how they interact with objects and light sources in various contexts.