What is the Analogous of Theta in Waves?

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Discussion Overview

The discussion revolves around identifying an analogous quantity to theta in the context of wave equations. Participants explore the relationships between angular frequency, wave number, and their respective mathematical representations in wave functions.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant compares the sine functions of angular displacement and wave propagation, questioning if there exists a physical or mathematical quantity that, when derived with respect to position, results in the wave number k.
  • Another participant identifies k as the wave number, providing a link to additional information on the topic.
  • A subsequent post asks for clarification on what quantity is represented by kx.
  • It is noted that the wave number k is defined as 2π divided by the wavelength λ.
  • One participant asserts that while the wave number is analogous to omega, they are specifically seeking the analogous quantity to theta.

Areas of Agreement / Disagreement

Participants express differing views on the analogy being sought, with some agreeing on the definition of wave number while others focus on the search for a corresponding quantity to theta. The discussion remains unresolved regarding the specific analogy to theta.

Contextual Notes

There are assumptions regarding the definitions of angular frequency and wave number that may not be universally accepted. The relationship between these quantities and their physical interpretations is not fully explored.

Who May Find This Useful

This discussion may be of interest to those studying wave mechanics, mathematical physics, or anyone exploring the relationships between different wave properties.

Jhenrique
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I want you note this comparation:
[tex]\\ \sin(\theta)=\sin(\omega t)=\sin(2\pi f t)=\sin\left(\frac{2\pi t}{T}\right) \\ \\ \sin(?)=\sin(k x)=\sin(2\pi \bar{\nu} x)=\sin\left(\frac{2\pi x}{\lambda}\right)[/tex]
ω is rate of change of θ with respect to t. So, exist a physic/mathematical quantity that when derived with respect to x results the quantity k?
 
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kx is equal to which quantity?
 
The wave number k = 2π / λ
 
Wavenumber is the analogous of omega. I'm asking by analogous of theta.
 

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