Question

Explain the detection if infrared rays

Answer 1

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thermometer having its bulb black and is removed from violet and towards the end of the spectrum of visible light it is observed that there is very slow rise in temperature but when water is removed on the rise in temperature is artist in that part of the spectrum beyond the reduction of the visible light has certain radiations which produced from heating effect but they are not visible this radiations are called infrared or heat radiation.

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Answer 2

hey.

All objects on Earth emit IR radiation in the form of heat. This can be detected by electronic sensors, such as those used in night vision goggles and infrared cameras. ... If a warm body comes into this instrument's field of view, the heat causes a detectable change in the voltage across the thermistor.❤