Infra Rays: Sun or Human Body Wavelength?

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Discussion Overview

The discussion centers around the comparison of infrared radiation wavelengths emitted by the sun and the human body. Participants explore the nature of infrared rays, their classification based on wavelength, and the implications of energy levels associated with different sources.

Discussion Character

  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • One participant questions the terminology used in the original question, seeking clarification on what is meant by "infra" rays.
  • Another participant explains that infrared rays are defined by a specific range of wavelengths, regardless of their source.
  • A different participant suggests that the question may stem from a misunderstanding typical of lower-level educational materials, implying that the sun likely produces more high-energy infrared rays than the human body.
  • It is noted that "high energy" infrared corresponds to shorter wavelengths, although this is not universally agreed upon.

Areas of Agreement / Disagreement

Participants express differing views on the interpretation of the original question and the implications of infrared radiation from different sources. There is no consensus on the specifics of the comparison between the sun and the human body.

Contextual Notes

Some assumptions about the definitions of infrared radiation and its classification may not be explicitly stated, leading to potential misunderstandings in the discussion.

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which one's infra rays wavelength are longer, sun or human body?
 
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What do you mean by "infra" rays?? The only "infra" I know applied to wavelength is infrared radiation which has a fixed range of wavelengths no matter where it comes from.
 
infra-red rays

Waves are basically classified on the basis of wavelength ( or frequency ). Infra-red rays is the name for the rays having a particular range for wavelengths. So, it doesn't matter what the source of the rays is. If the wavelength falls in the range, they are called infrared rays.


spacetime
www.geocities.com/physics_all/index.html
 
This sounds like one of those "flawed" questions that come from a lower-level (elementary or junior high) textbooks. I'm guessing that what the question is getting at is:
"which produces more high-energy infrared rays, the sun or a human body." I'm sure you could guess which one.

THen, what you need to know is that "high energy" infrared is "shorter wavelength" infra red. Take it from there.
 

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