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Although not true of every system, the vast majority of remotes for TVs and other home AV equipment use infrared radiation to transmit information. Infrared radiation is very similar to visible light, but of a shorter wavelength, so our eyes can't see it. it is however of a higher wavelength than radio waves on the electromagnetic spectrum, illustrated at the link

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14y ago
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13y ago

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ANSWER: DEFINITELY NOT. ultraviolet is very harmful to humans Infrared is however the usual communication

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Q: Is ultra violet rays used in TV remote?
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