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| Q. |
Loudness of sound depends on – |
| A. | Frequency |
| B. | Wavelength |
| C. | Amplitude |
| D. | Pitch |
| Answer» C. Amplitude | |
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Explanation: Loudness depends on the amplitude of the sound wave. The larger the amplitude the more energy the sound wave contains therefore the louder the sound. The pitch of a note depends on the frequency of the source of the sound. |
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