Q33 of 199 Page 206

What type of sound waves are produced by a vibrating simple pendulum?

Infrasound waves are produced by a vibrating simple pendulum.


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31

What name is given to the sound waves of frequency too low for humans to hear?

 32

What name is given to the sound waves of frequency too high for humans to hear?

 34

What happens to the loudness of a sound if its amplitude decreases?

 35

What happens to the loudness of a sound if its amplitude decreases?