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Is it true that amplitude determines the loudness of a sound?

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True

False

answer is A.

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Detailed Solution

The above statement is True.
It is a true statement because amplitude determines the loudness of a given sound, whereas frequency is responsible for determining the pitch of the sound. In physics, amplitude refers to the greatest displacement or distance a point on a vibrating body or wave can move relative to its equilibrium location. It is equivalent to the vibration path's half-length.
Loudness depends on the sq. of the wave's amplitude.
That is Loudness ∝ (Amplitude)2.
Amplitude determines the loudness of a sound, and frequency determines the pitch of the sound.

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