chapter 10 sound waves

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Last updated 12:19 PM on 9/28/26
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8 Terms

1
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what are sound waves?

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2
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Examples of sound waves

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3
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displacement-distance and pressure-distance graphs

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4
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transmission and speed of sound in different medium

  • **sound of a higher frequency does not necessarily travel faster 

  • The fact that sound changes speed when travelling through different mediums mean:

  • Sound can be refracted like light

  • Sound can be reflected and absorbed

  • Hard flat surfaces reflecting most-> echos 


<ul><li><p><span style="background-color: transparent;">**sound of a higher frequency does not necessarily travel faster&nbsp;</span></p></li><li><p><span style="background-color: transparent;">The fact that sound changes speed when travelling through different mediums mean:</span></p></li><li><p><span style="background-color: transparent;">Sound can be refracted like light</span></p></li><li><p><span style="background-color: transparent;">Sound can be reflected and absorbed</span></p></li><li><p><span style="background-color: transparent;">Hard flat surfaces reflecting most-&gt; echos&nbsp;</span></p></li></ul><p></p>
5
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loudness and pitch

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6
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use of sound

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7
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speed of echo formula

**remember 2 infront

<p>**remember 2 infront </p>
8
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describing sound

  1. the (source) causes the medium (molecules) near it to vibrate parrallel to wave motion

  2. These molecules collides with neighbouring (medium) molecules and transfers kinetic energy to them

  3. alternate regions of compressions and rarefactions are form in the (medium)

  4. Energy is transfer through these compressions and rarefacts in the (medium) to reach the (destination) in the form of longitudinal waves (prove longitudinal)


**replace words in brackets


<ol><li><p>the (source) causes the medium (molecules) near it to vibrate parrallel to wave motion</p></li><li><p>These molecules collides with neighbouring (medium) molecules and transfers kinetic energy to them</p></li><li><p>alternate regions of compressions and rarefactions are form in the (medium) </p></li><li><p>Energy is transfer through these compressions and rarefacts in the (medium) to reach the (destination) in the form of longitudinal waves (prove longitudinal) </p></li></ol><p></p><p>**replace words in brackets </p><p></p>