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Jan 16, 2021 · The visible light spectrum is the region of the electromagnetic spectrum that human eyes see. It runs from wavelength of about 400 nanometers (nm) at the violet end of the spectrum to around 700 nm at the red end of the spectrum.
Aug 10, 2016 · As the full spectrum of visible light travels through a prism, the wavelengths separate into the colors of the rainbow because each color is a different wavelength. Violet has the shortest wavelength, at around 380 nanometers, and red has the longest wavelength, at around 700 nanometers.
Ultraviolet light and x-rays have wavelengths shorter than violet light, and infrared (heat) and radio waves have wavelengths longer than red light. The full range of wavelengths for light is called the "electromagnetic spectrum."
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Jun 7, 2024 · Violet light has the shortest wavelength, which means it has the highest frequency and energy. Red has the longest wavelength, the shortest frequency, and the lowest energy.
- Anne Marie Helmenstine, Ph.D.
Sep 14, 2023 · Of the visible light rays, red light has the longest wavelength and violet light has the shortest wavelength. Shorter wavelengths equal higher frequencies and higher temperature, so scientists use the visible light spectrum to determine the temperature of stars in space.
- Sascha Bos
- Visible light has a frequency ranging from 7.5×10^14 Hz (blue) to 4.3×10^14 Hz (red).
- The spectrum of wavelengths we can see (visible light) ranges from 380 nm (blue) to 700 nm (red). Below this spectrum is ultraviolet, after which w...
- At 400 nm, we see a color between violet and blue named indigo. Nm stands for "nanometers," or one billionth of a meter.
- To remember the seven colors of the visible light spectrum, try memorizing the name "Roy G. Biv." The abbreviation represents red, orange, yellow,...
Red light. Violet light is present at the end of the visible light spectrum between indigo and the invisible ultra violet light. The wavelength of the visible violet light is about 400 nm (nanometers). It has the shortest wavelength than the other visible light colors.
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Blue or violet light has the shortest wavelength. White light is a combination of all colors in the color spectrum. It has all the colors of the rainbow. Combining primary colors of light like red, blue, and green creates secondary colors: yellow, cyan, and magenta.
