Question

Humans and animals give out infrared radiation



 true



 false

Answer 1

Yes, its true. They both give out infrared radiations

Answer 2

Yes, all objects, including human bodies, emit electromagnetic radiation. The wavelength of radiation emitted depends on the temperature of the objects. Such radiation is sometimes called thermal radiation. Most of the radiation emitted by human body is in the infrared region, mainly at the wavelength of 12 micron.

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