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प्रश्न
State three factors which affect the loudness of a sound heard by a listener.
उत्तर
The loudness of a sound heard by a listener depends on:
- Loudness is directly proportional to the square of the amplitude.
- Loudness varies inversely with the square of distance.
- Loudness is directly proportional to the surface area of a vibrating body.
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संबंधित प्रश्न
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