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Sounds (SPEED OF SOUND (fluid (image), solid (image), ideal gas (image)),…
Sounds
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Sound Intensity
Intensity
Sound energy passing per second through a unit area held perpendicular to the direction of propagation of sound waves
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Intensity level
The difference ,(L-L0),between the loudness L of an unknown sound and the loudness L0
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Decibel
A unit of measurement used to express the ratio of one value of a power or field quantity to another on a logarithmic scale
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LONGITUDINAL WAVE
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MOMENTUM
Travelling sound waves in a harmonic media possess momentum, at any rate if they are longitudinal.
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SHOCK WAVES
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is called March number
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one-dimensional sound wave equation
bulk modulus, B = - p(x,t) / (dv/v)
the volume change, (dv/v) = dy(x,t) / dx
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shorter wavelengths, greater pressure