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प्रश्न
State three factors on which loudness of sound heard by a listener depends.
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उत्तर
THREE FACTOR FOR LOUDNESS OF SOUND:
- Surface area of the sounding body. i.e. is directly proportional to the surface area of vibrating body.
- On the distance of the source of sound, i.e. decreases with distance.
- On amplitude of wave i.e. increases with amplitude.
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