A. increase the intensity of sound waves
B. increase the loudness of sound waves
C. reduce the effect of reverberations of sound waves
D. increase the interference effect of sound waves
E. decrease the frequency of sound waves.

Correct Answer:

Option C – reduce the effect of reverberations of sound waves

SEE ALSO  A note of frequency 2000Hz has a velocity of 400 ms‾¹. calculate the wavelength of the note.

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