Sound Waves
Our Sound Waves unit addresses the topic of the physics of sound. The set of Video Tutorials below lays a solid foundation for understanding their generation by a vibrating object, their properties and behaviors, and their connection to the operation of musical instruments.

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Sound as a Mechanical Wave
Sound as a Longitudinal and Pressure Wave
Sound Properties: Frequency, Wavelength, and Speed
Sound Intensity and the DeciBel Scale
Calculating Intensities and DeciBel Ratings
Sound Interference and Beats
The Doppler Effect with Mathematics (from our Vibrations and Waves series)
Natural Frequency, Forced Vibration, and Resonance
Harmonic frequencies and Standing Waves
Mathematical Analysis of Resonating Strings (from our Vibrations and Waves series)
Physics of Open-End Air Columns
Mathematical Analysis of Open-End Air Columns
Physics of Closed-End Air Columns
Mathematical Analysis of Closed-End Air Columns
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