Question

We consider the radiation emitted by the human
body. Which of the following statements is true?
(a) the radiation emitted lies in the ultraviolet
region and hence is not visible
(b) the radiation emitted is in the infrared region
(c) the radiation is emitted only during the day
(d) the radiation is emitted during the summers
and absorbed during the winters

Answer 1

$\huge\star\underline\mathfrak\red{Answer}$

We consider the radiation emitted by the human

body. Which of the following statements is true?

(a) the radiation emitted lies in the ultraviolet

region and hence is not visible✔✔

(b) the radiation emitted is in the infrared region

(c) the radiation is emitted only during the day

(d) the radiation is emitted during the summers

and absorbed during the winters

Answer 2

All objects with a temperature above absolute zero (0 K, -273.15 oC) emit energy in the form of electromagnetic radiation. A blackbody is a theoretical or model body which absorbs all radiation falling on it, reflecting or transmitting none.