Electromagnetic Wave: Explaining Proportions for Visualization

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Discussion Overview

The discussion centers around visualizing electromagnetic waves, particularly focusing on their proportions and characteristics. Participants explore the nature of electromagnetic waves, their representation, and the relationship between particles and waves in this context.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant seeks a clearer visualization of electromagnetic waves, questioning the adequacy of describing them as massless particles.
  • Another participant suggests that studying electromagnetic waves directly is not feasible, proposing that alternating electric and magnetic fields might be the best representation.
  • A participant expresses a personal interpretation of electromagnetic waves as photons with very little mass, arguing that all objects travel in a wave-like manner and linking this to the behavior of electrons.
  • Concerns are raised about the accuracy of existing diagrams, with suggestions for improving visual representations by modifying vector arrows to reflect changes over time and filling the entire volume with vectors.

Areas of Agreement / Disagreement

Participants express differing views on how to conceptualize electromagnetic waves, with no consensus on a singular representation or understanding. Some propose that photons are wave-like particles, while others focus on the fields involved.

Contextual Notes

Limitations include the challenge of visualizing electromagnetic waves accurately and the dependence on various interpretations of mass and wave-particle duality. The discussion does not resolve the complexities of these concepts.

pikapika!
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Can someone please explain what an electromagnetic wave would look like. I've heard it being decribed as a massless particle but i don't think that is an accurate description.

I am asking about the proportions of the wave so that i can visualize it in my mind.
 
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Well, it's not like you can study an E-M wave under a microscope. An alternating electric and magnetic field may be the best you can do.

http://www.colorado.edu/physics/2000/waves_particles/
 
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http://imagers.gsfc.nasa.gov/ems/waves2.html
 
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I like to think of them as photons with very very little mass, that move really fast, and all objects travel in a wave so they are photons that tavel in wave.

It has been proved that electrons are waves through diffraction and such, and their mass has also been calculated, also moving electrons (electricity) excite various things, by this logic I say that photons are moving particles that behave as waves because they diffract, have an even smaller mass, and excite other things, such as electrons or the thingies in our eyes.
 
Laser Jock said:
http://imagers.gsfc.nasa.gov/ems/waves2.html

The picture at the bottom of that page would be more accurate if

1. the vector arrows stayed in the same locations, but got longer and shorter (or thicker/thinner or darker/lighter, depending on what you're using to represent the strength of the field) as time passes.

2. the vector arrows filled the entire volume instead of existing only in two perpendicular planes. (but that would make for a really messy-looking diagram!)
 
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