Em Waves Question 118
Question: We consider the radiation emitted by the human body. Which of the following statements is true?
Options:
A) the radiation emitted lies in the ultraviolet region and hence is not visible.
B) the radiation emitted is in the infra-red region.
C) the radiation is emitted only during the day.
D) the radiation is emitted during the summers and absorbed during the winters.
Show Answer
Answer:
Correct Answer: B
Solution:
[b] Depends on the magnitude of frequency
BETA
