Question

(Sound wave of which of the following frequency is not an infrasonic sound?) *

1) 3000Hz

2)19Hz

3) 15Hz

4) 10Hz​

Answer 1

Answer:

Knowledge about our perception of this frequency range is important, since much of the sound we are exposed to in our everyday environment contains significant energy in this range. Sound at 20-200 Hz is called low-frequency sound, while for sound below 20 Hz the term infrasound is used.