The heat that we feel from sunlight, a fire, a radiator or a warm sidewalk is infrared.
Infrared (IR) light is used by electrical heaters, cookers for cooking food, short-range communications like remote controls, optical fibres, security systems and thermal imaging cameras which detect people in the dark.
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Answer:
The heat that we feel from sunlight, a fire, a radiator or a warm sidewalk is infrared.
Infrared (IR) light is used by electrical heaters, cookers for cooking food, short-range communications like remote controls, optical fibres, security systems and thermal imaging cameras which detect people in the dark.
Explanation:
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