GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which electromagnetic waves are used in devices such as heat lamps & TV remote controls?
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ultraviolet rays
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microwaves
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infrared rays
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None of the above
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Explanation:
Detailed explanation-1: -Infrared waves, or infrared light, are part of the electromagnetic spectrum. People encounter Infrared waves every day; the human eye cannot see it, but humans can detect it as heat. A remote control uses light waves just beyond the visible spectrum of light-infrared light waves-to change channels on your TV.
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