What is your familiarity with the terms infrared and ultraviolet? What uses and/or risks do they pose to humans?

Question

Julius Crane

Biology

6 March, 05:03

What is your familiarity with the terms infrared and ultraviolet? What uses and/or risks do they pose to humans?

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Elliot · Answer 1

Infrared: (of electromagnetic radiation) having a wavelength just greater than that of the red end of the visible light spectrum but less than that of microwaves. Infrared radiation has a wavelength from about 800 nm to 1 mm, and is emitted particularly by heated objects.

Ultraviolet: (of electromagnetic radiation) having a wavelength shorter than that of the violet end of the visible spectrum but longer than that of X-rays.