An ultrasonic examination. Ultrasound is sound with frequencies greater than 20 kilohertz. [1] This frequency is the approximate upper audible limit of human hearing in healthy young adults. …

ultrasonics, vibrations of frequencies greater than the upper limit of the audible range for humans—that is, greater than about 20 kilohertz. The term sonic is applied to ultrasound …

Ultrasound, or ultrasonography, works on the principle that sound is reflected at different speeds by tissues or substances of different densities. Ultrasound technology has been used …

Mar 29, 2022 · Ultrasonic sensors are electronic devices that calculate the target’s distance by emission of ultrasonic sound waves and convert those waves into electrical signals. The speed …

Define ultrasound and describe its characteristics as a form of energy. Explain the principles of sound wave propagation, including frequency, wavelength, amplitude, and velocity. Describe …

Ultrasonic Sound. The term "ultrasonic" applied to sound refers to anything above the frequencies of audible sound, and nominally includes anything over 20,000 Hz. Frequencies used for …

Aug 6, 2023 · Since scientists discovered ultrasound, they have found all kinds of important uses for it, from medical diagnosis to materials testing and scientific research. Let's take a closer …

Oct 26, 2021 · Ultrasound is used to describe a medical imaging technique that uses high-frequency sound waves to produce images of internal organs and tissues. Ultrasonic is a term …

Feb 9, 2025 · Infrasonic and ultrasonic pertain primarily to sound waves outside the range of human hearing, while subsonic, supersonic, and hypersonic describe regimes of airflow …

Relating to energy waves similar to those of sound but of higher frequencies (above 20,000 Hz). 1. Of or relating to acoustic frequencies above the range audible to the human ear, or above …