how is loudness of sound related to amplitude of vibration?
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intensity is directly proportional to the square of amplitude.we know that loudness is the measure of intensity.
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Hey there!
Relation between Loudness and Amplitude:
Loudness is directly proportional to square of the amplitude.
i.e Loudness ∝ (Amplitude)²
Example:
When a body vibrates with a greater amplitude, it sends forth a greater amount of energy and hence the energy received by the eardrum is large, so the sound appears louder.
Hope It Helps You!
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