Questions About Sound and Its Physics

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SUMMARY

Sound is defined as vibrational energy transmitted through a medium, such as air, which consists of vibrating air molecules. Unlike electromagnetic radiation, sound cannot travel through a vacuum because there are no particles to facilitate the vibrations. The discussion clarifies that sound travels slower than light due to the differences in their propagation mechanisms; light, being an electromagnetic wave, does not require a medium and travels at a higher speed than sound waves, which depend on material vibrations.

PREREQUISITES
  • Understanding of wave mechanics
  • Basic knowledge of sound and its properties
  • Familiarity with electromagnetic radiation concepts
  • Awareness of mediums for sound propagation
NEXT STEPS
  • Research the properties of sound waves and their behavior in different mediums
  • Study the differences between mechanical waves and electromagnetic waves
  • Explore the concept of sound speed in various materials
  • Learn about the physics of sound production in devices like telephones
USEFUL FOR

This discussion is beneficial for students of physics, audio engineers, and anyone interested in understanding the fundamental principles of sound and its propagation.

Null_
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After much thought on the matter, I am very confused about sound. I know that it is just a wave...what is the wave made of? Vibrations of what? And if the wave is made of nothing, then how does it travel through a vacuum?

And, if there are no "sound particles" as I have been told, then why does sound travel slower than light? Light has an associated mass, so I don't see why this doesn't slow it down to slower than the speed of sound.


I don't have much physics knowledge as you can probably tell, so please keep the responses so. :)
 
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check wikipedia...it can answer your questions..

Sound is vibrational energy of a material...hence sound, unlike electromagnetic radiation (light) cannot ravel in a vacuum...as there is no material to vibrate...

For example in traditional telephone receivers carbon granules move in response to varying electrical signal strength...this moves a diaphram..which vibrates air molecules..and, voila, you can HEAR another person...vocal cords also vibrate air molecules so you can get hollered at by girlfriends and your parents...
 

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