Which approximate wavelength ranges are generally not visible to human eye?Answer the given question in brief.

Which approximate wavelength ranges are generally not visible to human

1.	Which approximate wavelength ranges are generally not visible to human eye?Answer the given question in brief.
Answer» tion:We USUALLY refer to visible light as having WAVELENGTHS of between 400 nm and 750 nm. (The RETINA of the eye actually RESPONDS to the lowest ultraviolet frequencies, but these do not normally reach the retina because they are absorbed by the cornea and lens of the eye.)

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Which approximate wavelength ranges are generally not visible to human eye?Answer the given question in brief.

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