Question

We consider the radiation 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 infrared region

Answer 1

Answer: (D)

Every body at all times, at all temperatures emits radiation. The radiation emitted by the human body is in the infrared region.