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The range of visible spectrum is 400nm(Violet) to 700nm(Red).. (1nm = 10-9m)

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The longest wavelength within the visible spectrum is what color light?

Red light has the longest wavelength within the visible spectrum.


What color has the longest wave lenght?

The longest visible wavelengths are thoseat the red end of the spectrum (rainbow).


What color has the greatest wavelength?

Red has the longest wavelength in the visible spectrum.


Which end of the visible electromagnetic spectrum has longer wavelength Red or Blude?

Deep dark red is the visible light with the longest wavelength. Violet is the visible light with the shortest wavelength.


What colour of the spectrum has the greatest wavelength?

The longest visible wavelength is that of the last coloryou can see on the red end of the spectrum.


Which colour have longest wavelength in the visible spectrum?

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violet


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The longest wavelength / lowest frequency visible light is the red end of the spectrum. The shortest wavelength / highest frequency visible light is the violet end of the spectrum.


What is the longest wavelength and least energy in the visible spectrum?

The longest wavelength in the visible light spectrum is at the red end (at about 750nm) the lowest is violet (450nm). For a given intensity source the energy that can be generated is equal.The answer you are looking for is 720-680nm


Which band of the electromagnetic spectrum has a wavelength in between infrared and uv?

The band of the electromagnetic spectrum that has a wavelength between infrared and ultraviolet is the visible light spectrum. This is the portion of the electromagnetic spectrum that is visible to the human eye and includes colors such as red, green, and blue.


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Is a red light a visible light with the shortest wavelength?

No, red light has the longest wavelength within the visible light spectrum.