Ultrasound Imaging. Sound having frequencies above the range of human hearing (about 20,000 Hz ) is called ultrasound. Waves above this frequency can be used to penetrate the body and to produce images by reflecting from surfaces. In a typical ultrasound scan, the waves travel through body tissue with a speed of 1500 m / s . For a good, detailed image, the wavelength should be no more than 1.0 mm . What frequency sound is required for a good scan? | Numerade
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SOLVED: Question 181.5 ptsThe lower frequency limit for human hearing is 20.0 Hz If the air temperature is 10 %C the speed of sound is:0 m/s, sound does not travel at colder temperatures0 355 m/s343 m/s0 337 m/s331 m/s
SOLVED: Question 181.5 ptsThe lower frequency limit for human h…
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