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What are the uses of ultrasonic sound waves?

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With special electronically driven crystals, it is possible to produce mechanical waves at any frequency up to a few million Hertz (cycles per second). If the sound waves are above 20kHz (the maximum humanly audible frequency) they are called ultrasonic waves. Because of their short wavelength, ultrasonic waves can be focused onto small areas and can be imaged much as visible light. Ultrasonic waves penetrate tissue and are scattered and absorbed within it. Using specialized techniques called ultrasound imaging, it is possible to form visible images of ultrasonic reflections and absorptions. Therefore, structures within living organisms can be examined with ultrasound, as with X-rays. Ultrasonic examinations are safer than X-rays and often can provide as much information. In some cases, such as in the examination of a fetus and the heart, ultrasonic methods can show motion, which is very useful in such displays.

Here are a few:
Ultrasonic cleaning
Ultrasonic motion detection
Ultrasonic welding
Ultrasonic sonography
Ultrasonic communication
Ultrasonic destruction
Heart exams
Pre-natal investigation
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What are the industrial uses of ultrasonic waves?

CLEANING  Cleaning was one of the earliest industrial applications of ultrasonics. Objects to be cleaned are placed in a bath of fluid which is violently agitated by a number

What are ultrasonic and infrasonic sound waves?

Ultrasonic and Infrasonic sound waves are waves that are not audible to human beings. The audible region contains sound waves of 16 Hz to 20,000 Hz. Infrasonic sound waves ha

How fast are ultrasonic sound waves?

Ultrasonic sound waves travel at the same speed as lower frequency sound waves. The medium determines the speed at which a sound wave, which is mechanical energy, can travel.

Can you see ultrasonic sound waves?

Sound waves- ultrasonic, sonic, or intrasonic are generally  invisible. You cannot see sound. 

Ultrasonic cleaners use the vibrations of sound waves to shake dirt away from object?

Not exactly. Ultrasonic cleaners use ultrasound to produce a phenomenon known as cavitation. The ultrasonic wave fronts produce microscopic vacuum bubbles that are forced agai

Does sonar use ultrasonic waves?

Yes indeed, it is therefore distinguished from Radar which uses radio-wave emissions, hence Radio Detection( or direction) and ranging. Sonar is used on ships- though some Bli