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The _______ of a sound wave is defined as the amount of energy passing through a unit area of the wave front in a unit of time. A. amplitude B. intensity C. compression D. frequency
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The _______ of a sound wave is defined as the amount of energy passing through a unit area of the wave front in a unit of time.

A. amplitude
B. intensity
C. compression
D. frequency

User Andrepaulo
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The correct answer is sound intensity(option b) . Sound intensity is the sound energy - energy in form of vibration - that passes through certain unit area. It is measured in watt per square meter (W/m²) - this is the unit used for its calculation.
User Merak Marey
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