Light waves vs. mechanical waves

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Homework Help Overview

The discussion revolves around the differences between light waves and mechanical waves, focusing on their characteristics and the contexts in which they operate. The original poster mentions the transverse nature of light and water waves, as well as the longitudinal nature of sound waves, while also referencing light's dual nature.

Discussion Character

  • Exploratory, Conceptual clarification

Approaches and Questions Raised

  • Participants explore the fundamental differences between light waves and mechanical waves, questioning the necessity of a medium for mechanical waves and whether light waves share this requirement. There is also mention of the complexity of optics as a field related to light waves.

Discussion Status

The discussion is ongoing, with participants sharing insights and prompting further exploration of the topic. Acknowledgment of the differences and complexities involved suggests a productive dialogue, although no consensus has been reached.

Contextual Notes

Participants are navigating the foundational concepts of wave types, with some details about optics and mechanical waves remaining less explored. The original poster's question indicates a desire for deeper understanding, while others hint at the complexity of the subject matter.

lah214
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Homework Statement


I just have a question; what's the main difference between light waves and mechanical waves? I know that light waves are transverse. I also know that water waves are transverse, but sound waves are longitudinal. I know that light has a dual nature, and travels in both wave and particle form...but is that the only difference?


Homework Equations





The Attempt at a Solution

 
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It all depends on how deep you want to go down the rabbit hole. You hit the highlights, but light has a whole field named after it, optics, of which you have hardly touched. Optics can range in difficulty, depending on the application, from some of the most complex Fourier optics to some pretty simple geometric optics. I don't know much about mechanical waves, but I'm sure they have more details as well. Anyway, you hit on the branching points, and from there it is which tree you want to follow.
 
There is ONE answer to this.

Mechanical waves require a media, do light waves?

There.
 
good point! thank you so much!
 

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