Question

Which sound waves with frequencies below the range of human hearing ​

Answer 1

Answer:

these types of sounds are called INFRASONIC SOUNDS

Answer 2

Answer:

The human ear as a dyamic range from 0dB (threshold) to 120-130 dB. This is true for the middle frequency range (1-2 kHz). For lower or higher frequencies, the dynamic is narrowed. However, as shown on this graph, all sounds above 90 dB are damaging the inner ear and even doing irreversible damage above 120 dB.

Explanation: