What are ultrasonic sound waves?

Answer

Ultrasonic wave is a cyclic sound pressure whose frequency is greater than the maximum limit of human hearing. It has a minimum frequency that is above 20,000 Hz per second. It is used in navigational, industrial, electronic, and security applications.
Q&A Related to "What are ultrasonic sound waves?"
They have a frequency of above 20,000Hz inaudible to human ear.
http://wiki.answers.com/Q/What_is_the_properties_o...
Plane wave: Any wave for which the surface of constant phase is a plane. ChaCha!
http://www.chacha.com/question/what-is-a-plane-wav...
To humidify the air, a humidifier must in some way release water droplets into the air. The most common types of humidifiers work by boiling water, converting it into a gas form and
http://www.ehow.com/facts_5007436_what-ultrasonic-...
Seismic waves are those caused by earthquakes and which move through the crust of the Earth after tectonic plates have released huge amounts of energy.
http://www.ask.com/web-answers/Science/Nature/what...
1 Additional Answer
Ultrasonic waves are waves, which are beyond the normal hearing range of humans and they vibrate more rapidly that the ear can't detect. They are mostly focused in narrow beams that are straight and have very high frequencies.
Explore this Topic
Ultrasonic waves are sound waves with frequencies high about human hearing and short wave lengths. Sound waves have frequencies about 20,000 to 100,000. ...
Ultrasonic waves are high frequency waves that have a heating effect. They also have smaller wavelength than all the other waves and they form stationary wave ...
The different between infrasonic and ultrasonic waves is in the frequency. The frequency of infrasonic sound waves is below 20 hertz. The frequency of ultrasonic ...
About -  Privacy -  Careers -  Ask Blog -  Mobile -  Help -  Feedback  -  Sitemap  © 2014 Ask.com