State the differences between ultrasonic sound and infrasonic sound?
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Ultrasonic sound |
Infrasonic sound |
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I. Sound of frequency higher than 20,000 Hz is called ultrasonic sound. |
I. Sound of frequency lower than 20 Hz is called the infrasonic sound. |
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II. Animals like dog, bat, monkey, deer, etc., can hear ultrasonic sound. |
II. Animals like whale, elephant, hippopotamus, giraffe, etc., can hear infrasonic sound. |