how how does loudness varies with the amplitude
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how how does loudness varies with the amplitude
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Answer:
The sound is perceived as louder if the amplitude increases, and softer if the amplitude decreases. ... Sounds with higher intensities are perceived to be louder. Relative sound intensities are often given in units named decibels (dB).
Answer:
Greater amplitude waves have more energy and greater intensity, so they sound louder. ... As distance from the sound source increases, the area covered by the sound waves increases. The same amount of energy is spread over a greater area, so the intensity and loudness of the sound is less.