Two waves with different amplitudes; which would be louder?

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Multiple Choice

Two waves with different amplitudes; which would be louder?

Explanation:
Loudness depends on how much the wave’s pressure varies, which is what amplitude measures. A larger amplitude means a bigger pressure swing and more energy carried by the wave per unit area, so the intensity is higher and the sound is heard as louder. If one wave has a greater amplitude than another, it will be louder; equal amplitudes produce equal loudness, and smaller amplitudes are quieter. So the wave with the larger amplitude is the louder one.

Loudness depends on how much the wave’s pressure varies, which is what amplitude measures. A larger amplitude means a bigger pressure swing and more energy carried by the wave per unit area, so the intensity is higher and the sound is heard as louder. If one wave has a greater amplitude than another, it will be louder; equal amplitudes produce equal loudness, and smaller amplitudes are quieter. So the wave with the larger amplitude is the louder one.

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