Question

Define ultraviolet radiation and infrared light?

Answer 1

Ultraviolet radiation is electromagnetic radiation or light having a wavelength greater than 100 nm but less than 400 nm. ... Ultraviolet radiation has a wavelength longer than that of x-rays but shorter than that of visible light.

Infrared light is a small part of thelight spectrum. In order to understand night vision, it is important to understand something about light. The amount of energy in a light wave is related to its wavelength: Shorter wavelengths have higher energy. Of visible light, violet has the most energy, and red has the least.

Answer 2

Light (also referred to in professional literature as radiation) is best thought as of a spectrum consisting of ultra violet light at the short end, visible light in the center, and infrared (IR) wavelengths at the long end. The high energy of UV radiation is particularly damaging to artifacts.
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