Infrasound is the sound with frequencies:
(A) above 20 kHz
(B) below 20 Hz
(C) between 20 Hz and 20 kHz
(D) all the above
Answers
Answered by
2
Answer:
(B)below 20 Hz
it cannot be heared by the human year that's why it is called infrasonic sound.
Answered by
0
Answer:
No. B) below 20 Hz is correct
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