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QWhich of the following waves are not audible to the human ear?

ID: #8403 Acoustics 205 views
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#8403Q ID
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AcousticsTopic
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  • A Infrasonic waves ✔ ✖
  • B Ultrasonic waves ✔ ✖
  • C Both A and B ✔ ✖
  • D None of the above ✔ ✖
Correct Answer

Explanation

Infrasonic waves have a frequency below 20 Hz and ultrasonic waves have a frequency greater than 20 kHz, both of which cannot be detected by the human ear.

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