Question

Distinguish ultrasonic, sonic and infrasonic waves.

   Distinguish ultrasonic, sonic and infrasonic waves.

Engineering Physics

Engineering Physics

Jyotsna Sharma,… 1st Edition

Chapter 10, Problem 2

Instant Answer

Solved by Expert Ajay Singhal

07/29/2021

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These are all types of sound waves, which are distinguished based on their frequency ranges. Show more…

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Distinguish ultrasonic, sonic and infrasonic waves.

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Key Concepts

Infrasonic Waves

Infrasonic waves are sound waves with frequencies below the lower threshold of human hearing, generally less than 20 Hz. These low-frequency waves are important in geophysical research and monitoring natural phenomena like volcanic activity, earthquakes, and atmospheric events, as they can propagate over long distances with minimal attenuation.

Sonic Waves

Sonic waves represent the range of frequencies that are audible to the human ear, generally between 20 Hz and 20 kHz. This frequency band encompasses the sounds people encounter in everyday life, and it is central to fields such as acoustics, audio engineering, and psychoacoustics where the perception and quality of sound are studied.

Ultrasonic Waves

Ultrasonic waves are sound waves with frequencies higher than the upper limit of human hearing, typically above 20 kHz. They are widely used in medical imaging, industrial cleaning, and non-destructive testing due to their ability to provide precise, high-frequency information that is not audible to humans.

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