Ultrasonic sound have frequency ___.

below 20 Hz

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between 2,000-20,000 Hz

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above 20,000 Hz

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between 20-2,000 Hz

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Solution

The correct option is C above 20,000 Hz
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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Similar questions

(a) What is the upper limit of frequency of human hearing ?

(b) What is the lower limit of frequency of human hearing ?

(d) Name two animals which can hear ultrasonic sounds.

100 k H z

340 m s^{- 1}

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