which is true about the characteristic of sound a sound called either be soft or loud be the loudness of sound decreases as its moves near year the observed sea sound is not heard when it is exactly on the same spot as the listener did the loudest of sound increases as its move away from the observer
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Loudness refers to how loud or soft a sound seems to a listener. The loudness of sound is determined, in turn, by the intensity of the sound waves. Intensity is a measure of the amount of energy in sound waves. The unit of intensity is the decibel (dB).
here are five main characteristics of sound waves: wavelength, amplitude, frequency, time period, and velocity. The wavelength of a sound wave indicates the distance that wave travels before it repeats itself.
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