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Fundamental Frequency and Harmonics
Previously in Lesson 4, it was mentioned that when an object is forced into resonance vibrations at…
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Standing Wave Patterns
As mentioned earlier, all objects have a frequency or set of frequencies with which they…
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Forced Vibration
Musical instruments and other objects are set into vibration at their natural frequency when a person hits,…
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Resonance and Standing Waves
Natural Frequency As has been previously mentioned in this unit, a sound wave is created as a…
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Boundary Behavior
As a sound wave travels through a medium, it will often reach the end of…
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The Doppler Effect and Shock Waves
The Doppler effect is a phenomenon observed whenever the source of waves is moving with respect to…
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Behavior of Sound Waves
Interference and Beats Wave interference is the phenomenon that occurs when two waves meet while traveling…
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The Human Ear
Understanding how humans hear is a complex subject involving the fields of physiology, psychology and…
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The Speed of Sound
A sound wave is a pressure disturbance that travels through a medium by means of particle-to-particle interaction.…
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Intensity and the Decibel Scale
Sound waves are introduced into a medium by the vibration of an object. For example,…