differentiate between infrasonic and ultra Sonic sound
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Infrasonic sound-
•Sounds of frequency below 20 hz
•Inaudible to human being but audible to some animals such as dogs
Ultrasonic sound-
• Sounds of frequency above 20000 Hz
• Inaudible to humans
•Sounds of frequency below 20 hz
•Inaudible to human being but audible to some animals such as dogs
Ultrasonic sound-
• Sounds of frequency above 20000 Hz
• Inaudible to humans
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