Question

differentiate between infrasound and ultrasound. write any three applications of ultrasound​

Answer 1

Explanation:

Audible sound waves whose frequencies are less than 20 Hz are in the infrasonic range. Sound produced by earthquakes, thunder, volcanoes are in Infrasonic range. Human Ear cant hear this sound but elephants and whales can hear this. Frequencies above 20,000 Hz are in the ultrasonic range.

Answer 2

Answer:

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