Basics of Sound in Air: Correspondence With Electromagnetic Waves

Ulrich Zürcher; Ulrich Zurcher

doi:10.1119/10.0002050

Basics of Sound in Air: Correspondence With Electromagnetic Waves

Ulrich Zürcher, Ulrich Zurcher

Cleveland State University

Cleveland State University

Research output: Contribution to journal › Article › peer-review

Abstract

© 2021 American Association of Physics Teachers. The wave equation of sound is developed starting from the equations of fluid mechanics for the velocity and pressure variation in air. The equations for sound are analogous to Maxwell's equations for linear polarized electromagnetic plane waves: the pressure variation and the velocity correspond to the electric and magnetic fields, respectively. The order of magnitude of sound properties is explained in terms of the amplitude and energy density of the corresponding wave.

Original language	American English
Journal	American Journal of Physics
Volume	89
DOIs	https://doi.org/10.1119/10.0002050
State	Published - Feb 1 2021

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Physics

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title = "Basics of Sound in Air: Correspondence With Electromagnetic Waves",

abstract = " {\textcopyright} 2021 American Association of Physics Teachers. The wave equation of sound is developed starting from the equations of fluid mechanics for the velocity and pressure variation in air. The equations for sound are analogous to Maxwell's equations for linear polarized electromagnetic plane waves: the pressure variation and the velocity correspond to the electric and magnetic fields, respectively. The order of magnitude of sound properties is explained in terms of the amplitude and energy density of the corresponding wave.",

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N2 - © 2021 American Association of Physics Teachers. The wave equation of sound is developed starting from the equations of fluid mechanics for the velocity and pressure variation in air. The equations for sound are analogous to Maxwell's equations for linear polarized electromagnetic plane waves: the pressure variation and the velocity correspond to the electric and magnetic fields, respectively. The order of magnitude of sound properties is explained in terms of the amplitude and energy density of the corresponding wave.

AB - © 2021 American Association of Physics Teachers. The wave equation of sound is developed starting from the equations of fluid mechanics for the velocity and pressure variation in air. The equations for sound are analogous to Maxwell's equations for linear polarized electromagnetic plane waves: the pressure variation and the velocity correspond to the electric and magnetic fields, respectively. The order of magnitude of sound properties is explained in terms of the amplitude and energy density of the corresponding wave.

UR - https://engagedscholarship.csuohio.edu/sciphysics_facpub/393

UR - https://doi.org/10.1119/10.0002050

U2 - 10.1119/10.0002050

DO - 10.1119/10.0002050

M3 - Article

VL - 89

JO - American Journal of Physics

JF - American Journal of Physics

ER -

Basics of Sound in Air: Correspondence With Electromagnetic Waves

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