What exactly is a wave and how does it propagate?

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SUMMARY

This discussion clarifies the concept of waves in physics, specifically addressing the confusion surrounding their nature and propagation. A wave is defined as a disturbance that travels through a medium, such as a string or water, while the particles of the medium oscillate around their equilibrium positions. The example of a boat bobbing on water illustrates that the boat remains stationary while the wave propagates beneath it. Resources like Wikipedia and the PF library provide foundational knowledge on waves and their behavior.

PREREQUISITES
  • Understanding of basic physics concepts, particularly wave mechanics.
  • Familiarity with the properties of mediums, such as strings and water.
  • Knowledge of oscillation and equilibrium in physical systems.
  • Ability to interpret graphical representations of wave phenomena.
NEXT STEPS
  • Research "wave propagation in different mediums" to understand variations in wave behavior.
  • Study "transverse and longitudinal waves" to differentiate between wave types.
  • Explore "wave interference and superposition" to grasp complex wave interactions.
  • Examine "applications of waves in technology" such as sound and electromagnetic waves.
USEFUL FOR

This discussion is beneficial for physics students, educators, and anyone seeking a clearer understanding of wave phenomena and their applications in various fields.

RadiantL
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What is this "wave" exactly

Hi every time physics courses reach the topic about waves and I see these graphs and diagrams, and pictures I get confused on what exactly is this "wave" like... take someone waving a string on the ground so that I guess there's a propagation.

Is the wave the particles in the string going up then back down? or is the "wave" the propagation that travels in the string?

I also seen like pictures say, a boat is on water and it bobs up and down, it stays in one place but like is the boat on TOP of the wave?

... I'm sorry if this question sounds stupid
 
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Oh wow, I guess I should put a little more effort into researching instead of just asking for the answers haha, thanks for the links to the resources :)
 

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