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Home / Doubts and Solutions/MAHARASHTRA OLD/Class 9/Physics

 
Hello Sir/Mam,

Could you please give me the difference between ultrasonic sound and infrasonic sound?

Asked by Bhawna 20th February 2015, 4:54 PM
Answered by Expert
Answer:

Hi Sriradha,

Sound of frequency less than 20 Hz is called infrasonic sound.

And sound of frequency higher than 20 kHz is called ultrasonic sound.

Answered by Expert 20th February 2015, 4:56 PM
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