Q.

Which of the following properties of sound waves determine loudness?


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a

Amplitudes

b

Frequency

c

Wavelength

d

None of the above 

answer is A.

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Detailed Solution

Amplitudes of the wave properties of sound waves determine loudness
The amplitude of the sound determines the loudness of the sound. The greater amplitude, the louder the sound is. “Loudness is directly proportional to the square of the amplitude of the sound wave.” Mathematically,
loudness  (Amplitude)2
 
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Which of the following properties of sound waves determine loudness?