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प्रश्न
The unit of loudness is _______.
विकल्प
cm
second
hertz
decibel
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उत्तर
The unit of loudness is decibel.
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संबंधित प्रश्न
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| (D) Pitch | (4) presence of other frequencies |
| (E) Waveform | (5) 1/ time period |
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