Question

State the difference between Ultrasonic and Infrasonic Sound?​

Answer 1

Ultrasonic sound

(i) Sound of frequency higher than 20,000 Hz is called ultrasonic sound.

(ii) Animals like dog, bat, monkey, deer, etc., can hear ultrasonic sound.

Infrasonic sound

(i) Sound of frequency lower than 20 Hz is called the infrasonic sound.

(ii) Animals like whale, elephant, hippopotamus, giraffe, etc., can hear infrasonic sound.

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