(Ultraviolet rays) (infrared are invisible because their wavelengths rays) are beyond the visible spectrum of They make (65 of natural up sunlight. percent) What are some other names for ultraviolet (The abbreviation UV, cold light? light, and actinic light.) List six characteristics of ultraviolet (It is invisible light.) (It has a short wavelength, so has higher energy.) (It is less penetrating than visible (It causes chemical reactions to happen more quickly than visible light.) (It produces less heat than visible light.) (It germs.) (It causes the skin to make vitamin D.) (It causes skin cancer.) of the following types of UV light is used in tanning beds? (X) a) UVA the most heat. b) UVB c) UVC (Infrared light) has long wavelengths, penetrates the deepest, and produces 56. What are some uses for infrared in the (It is used during hair salon? conditioning treatments, for processing haircolor, for relaxation and warming up muscles, for diminishing signs of aging, and for increasing circulation.) are used to make reactions happen more quickly. They may be either energy source or source. a a What is light therapy? (The application of light rays to the skin for the treatment of wrinkles, capillaries, pigmentation, or hair removal.)
(Ultraviolet rays) (infrared rays) are invisible because their wavelengths are beyond the visible spectrum of They make up sunlight. (65 percent) of natural What are some other names for ultraviolet light? (The abbreviation UV, cold light, and actinic light.) List six characteristics of ultraviolet (It is invisible light.) (It has a short wavelength, so has higher energy.) (It is less penetrating than visible (It causes chemical reactions to happen more quickly than visible light.) (It produces less heat than visible light.) (It germs.) (It causes the skin to make vitamin D.) (It causes skin cancer.) of the following types of UV light is used in tanning beds? (X) a) UVA b) UVB c) UVC (Infrared light) the most heat. has long wavelengths, penetrates the deepest, and produces 56. What are some uses for infrared in the salon? (It is used during hair conditioning treatments, for processing haircolor, for relaxation and warming up muscles, for diminishing signs of aging, and for increasing circulation.) are used to make reactions happen more quickly. They may be either a energy source or a source. What is light therapy? (The application of light rays to the skin for the treatment of wrinkles, capillaries, pigmentation, or hair removal.)
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