Reflection, Transmission, and Refraction

  • Steven L. Garrett
Part of the Graduate Texts in Physics book series (GTP)


In Chap. 10, we transitioned from a lumped-element perspective to a formalism which treated fluids as a continuous medium that includes the effects of both compressibility and inertia throughout. We described disturbances from equilibrium using a wave equation and focused attention on plane waves that could be described as propagating in one spatial dimension. In this chapter, we will examine the behavior of such one-dimensional waves propagating through media that are not homogeneous. We start with an examination of the behavior of plane waves impinging on a planar interface between two media with different properties and then extend that analysis to multiple interfaces and to waves that impinge on the interface from an angle that is not perpendicular to the surface. This exploration concludes with consideration of wave propagation through a medium whose properties change slowly and continuously through space.


Plane Wave Incident Wave Sound Speed Acoustic Impedance Sound Channel 
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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Steven L. Garrett
    • 1
  1. 1.Pine Grove MillsUSA

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