Question

what are infrasonic sound​

Answer 1

Answer:

The sounds having too low frequencies which cannot be heard by human ear are called infrasonic sounds. Rhinoceros can produce infrasonic sounds having frequency less than 20 hertz. They can also hear infrasonic sounds. The human ear can hear sounds which have frequencies between 20 hertz and 20,000 hertz.

Answer 2

Answer:

Hie..! Here's the answer

Infrasonic sounds:

The sounds of frequency less than 20Hz are called infrasonic sounds. The infrasonic sounds have frequency below the lower limit of human hearing. Example: Sound produced by earthquakes, thunder, volcanoes are in the Infrasonic range.

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