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→Pitch
===Pitch===
: A [[sound]] can be a high [[pitch]] or low [[pitch]].
: Pitch is determined by the [[frequency]] of the [[wave]] (how quickly the wave [[Vibration|vibrates]]).
{| class="wikitable"
|+ [[Longitudinal Wave]]s cannot be easily pictured so they are represented by [[Transverse Wave]]s on an [[Oscilloscope]] screen.
|-
|[[File:OscilloscopeScreen1.png|center|200px]]
|[[File:OscilloscopeScreen2.png|center|200px]]
|[[File:OscilloscopeScreen3.png|center|200px]]
|-
| style="height:20px; width:200px; text-align:center;" |This is a low frequency wave showing a [[sound]] with a low pitch, so it is a deep sound.
| style="height:20px; width:200px; text-align:center;" |
| style="height:20px; width:200px; text-align:center;" |This is a high frequency wave showing a [[sound]] with a high pitch.
|}
===Wavelength===