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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,…
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Sound Properties and Their Perception
Pitch and Frequency A sound wave, like any other wave, is introduced into a medium…
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Sound is a Pressure Wave
Sound is a mechanical wave that results from the back and forth vibration of the particles of…
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Sound as a Longitudinal Wave
In the first part of Lesson 1, it was mentioned that sound is a mechanical…
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Sound Waves and Music
The Nature of a Sound Wave Sound is a Mechanical Wave Sound and music are…
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Mathematics of Standing Waves
As discussed in Lesson 4, standing wave patterns are wave patterns produced in a medium when two…