We consider the radiation emitted by the human body. Which of the following statements is true ?

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The radiation emitted is in the infrared region.

The radiation is emitted only during the day.

The radiation is emitted during the summers and absorbed during the winters.

The radiation emitted lies in the ultraviolet region and hence is not visible.

answer is A.

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Detailed Solution

A human body emits radiations of longer wavelength than absorbed radiations, the heat radiation belongs to infra red region.

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