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The famous band of Beetles has used an u...

The famous band of Beetles has used an ultrasonic whistle in one of their songs. The sound produced by the whistle cannot be heard by humans, but it can be heard by dogs. From the given information, it can be inferred that the sound produced by the whistle may have a frequency, which

A

is less than 5 Hz

B

is less than 80 Hz

C

lies between 20 kHz to 25 kHz

D

lies between 20 Hz to 20 kHz

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BEIITIANS-SOUND-Formative Worksheet
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  8. What should a hearing-impaired person wear in order to enhance his hea...

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  9. Vibration can be defined as the

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  14. The intensity of sound waves is measured in

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  16. Humans cannot hear all the sounds produced in their surroundings. The ...

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