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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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Q: What are the uses of ultrasonic sound waves?
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Related questions

Can you see ultrasonic sound waves?

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


Which animal can hear ultrasonic waves?

whale can hear ultrasonic sound waves.


Bats can sense obstacles because they produce 1. supersonic sound waves 2. ultrasonic sound waves 3.infrasonic sound waves 4. micro Sound waves?

ultrasonic sound waves


What is an ultrasonic wave?

Ultrasonic waves are sound waves with frequencies higher than what humans can hear. Sound waves have frequencies of about 20,000 to 100,000.


What is a heart exam that uses sound waves?

EchocardiogramUltrasound?


Can ultrasonic waves be polarized?

No. Only transverse waves can be polarized Ultrasonic wasves are sound waves, therefore are longitudinal.


High frequency sound waves are know as?

Ultrasonic sound.


Why ultrasonic waves are not electromagnetic waves?

No. They are mechanical waves, ultrasonic waves are sound waves and require a medium for propagation. The word ultrasonic denotes that they have a frequency above the audible range (above 20 KHz).


Which sound waves can be called ultrasonic?

Ultrasonic means 'faster than sound'. This means no sound wave can be faster than sound.


What is the speed of ultrasonic waves in vacuum is equal to what is the speed of audible sound in air?

No, ultrasonic wave do not travel at all in a vacuum.


Are ultrasonic waves called as electromagnetic wave?

No ultrasonic waves are not a form of electromagnetic wave. Ultrasonic waves are nothing more than high frequency sound waves. They can be made with a suitable speaker or transducer.


Why loudspeaker cannot be used to produce ultrasonic?

because speakers doesn't create ultrasonic waves, they create sound waves