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The longest wavelength within the visible spectrum is _______ light. A. blue B. orange C. red D. violet

Daniel King

in Physics

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Mindee Nelson on February 10, 2018

The longest wavelength within the visible spectrum is the red the light. The answer is the letter C. it is called visible light, because it is the only the light that can be seen by the human eye. The red light is the longest wavelength of about 620 to 750 nanometers. It is followed by the orange, which has a the wavelength of 590 t 620 nanometers. And, below, blue, color that has a wavelength of 450 to 495 nanometer. And the shortest wavelength is violet, which has a wavelength 380 to 459 nm.


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