It is visible light.
The wavelength for the color red is 700-635 nm, which can also be said as 700 to 635 nanometers.
If you mean, "which wavelengths of light can the human eye detect," the human eye can see wavelengths from about 390 to 700 nanometers.
Short answer: Very short More precise answer: 10 nanometers to 400 nanometers for one full wave (depending on how 'ultra' it is)
Ultraviolet light has a wavelength below 400 nanometers, infrared;s wavelength is less than 700 nanometers or so. Frequency is inversely proportional to wavelength, so ultraviolet light has a much a much higher frequency than infrared.
According to Russell Kightley, it is 2100 nanometers in length, and 700 nanometers in diameter.
The wavelength of light (400-700).
Most humans eyes are sensitive to wavelengths between about 400 nanometers and 700 nanometers
700 nanometers to 1 mm
It is visible light.
700 nanometers to 1 mm
680 nanometers to 700 nanometers is about optimum for the photosynthetic rate but there are other wave lengths that plants do use.
The wavelength for the color red is 700-635 nm, which can also be said as 700 to 635 nanometers.
Their wave length is long, since you can see it, that means that the waves will move slower and have a longer length.
The human eye sees red when it looks at light with a wavelength between 630 and 700 nanometers.
Light in the range between 400 and 700 nanometers is visible to humans.
The visible light spectrum (wavelengths from 380 to 700 nanometers)