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We consider the radition emitted by the ...

We consider the radition emitted by the human body which of the following statements is true?

A

The radiation is emitted only during the day

B

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

C

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

D

The radiation emitted is in the infra-red region

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The correct Answer is:
D
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