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प्रश्न
- Which of the following quality determines the loudness of a sound wave?
- wavelength
- frequency and
- amplitude
- How is loudness related to the quantity mentioned above in part (a)?
लघु उत्तरीय
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उत्तर
- Amplitude - The louder sound corresponds to the wave of large amplitude.
- Loudness is directly proportional to the square of amplitude [loudness ∝ (amplitude)2].
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