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Sound — PHYSICS STD 7 — Question

ICSE BoardEnglish MediumSTD 7PHYSICSSound2 Marks
Question
How are loudness and amplitude related?
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Answer

Loudness of a sound depends on its amplitude. Higher the amplitude, louder is the sound. As the amplitude of a wave is directly related to the energy it carries, we can say that greater is the energy carried by a wave, louder is the sound produced.

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