Question

Correct the sentence and rewirte. Ultrasonic sounds are audible​

Answer 1

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Ultrasonic sounds are inaudible

• Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing.
• Ultrasound is not different from "normal" (audible) sound in its physical properties, except that humans cannot hear it.
• Ultrasonic devices are used to detect objects and measure distances.

Answer 2

Answer:

The sounds having a large or too high frequency that cannot be heard or detected by the human ear are called ultrasonic sounds. The sounds of the frequency which are greater than 20,000 hertz are called ultrasonic.

Explanation:

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