Is it true that a vibrating simple pendulum produces ultrasonic sound waves?

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True

False

answer is B.

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Detailed Solution

The above statement is false.
A simple pendulum vibrates with extremely low frequency. Infrasonic sounds lie below the frequency of

20 Hz

, while ultrasonic sounds lie above

20 kHz

. Hence, a simple vibrating pendulum produces an infrasonic sound. Therefore, the above statement is false.
The correct statement would be a simple vibrating pendulum produces infrasonic sound waves.

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