Sound of frequency below 20 Hz is called Options: A . &nbspaudio sounds B . &nbspinfrasonic C . &nbspultrasonic D . &nbspsupersonics

Sound of frequency below 20 Hz is called

Question

Sound of frequency below 20 Hz is called

Options:

A . audio sounds

B . infrasonic

C . ultrasonic

D . supersonics

Answer: Option B

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