Ultrasonic sound have frequency ___. Options: A . &nbspbelow 20 Hz B . &nbspbetween 20-2,000 Hz C . &nbspbetween 2,000-20,000 Hz D . &nbspabove 20,000 Hz

Ultrasonic sound have frequency __

Question

Ultrasonic sound have frequency ___.

Options:

A . below 20 Hz

B . between 20-2,000 Hz

C . between 2,000-20,000 Hz

D . above 20,000 Hz

Answer: Option D
:
D
Ultrasonic refers to sound having frequency higher than the upper audible limit of human hearing. It has frequency above 20,000 Hz.

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