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प्रश्न
When we change feeble sound to loud sound we increase its
पर्याय
frequency
amplitude
velocity
wavelength
MCQ
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उत्तर
amplitude
Explanation:
As the loudness and softness of sound or intensity of sound are directly proportional to the square of the amplitude of the sound wave, therefore, feeble sound can be changed to loud sound by increasing its amplitude.
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