we know that human ear can not hear sounds of frequency less than 20Hz or more than about 20,000 Hz . Sounds of frequency higher than 20,000 Hz , which are inaudible to human ear, can be produced and are utilized in many useful ways. Such sounds are called ultrasonics
Denis Naldrett White has written: 'Ultrasonic encephalography' -- subject(s): Ultrasonic encephalography 'Modern Introduction to Chemistry'
industrial applications ultrasonic cleaning,ultrasonic cutting,ultrasonic machining,metal forming,metal welding, medical applications
industrial applications of ultrasonic waves: 1. ultrasonic welding 2. ultrasonic cleaning. 3. ultrasonic drilling. 4. ultrasonic soldering. +++ 5. Flaw detection in metals etc. And many others if you stretch the term "industrial to include, say, medical!
ultrasonic wave is sound frequency
Ultrasonic sounds are sounds that are above our hearing range.
bats can hear ultrasonic sound
whale can hear ultrasonic sound waves.
When an object starts to move at ultrasonic speeds it will create a sonic boom.
That is the definition of ultrasonic!
They can't becuase ultrasonic doesen't make sound.
A common method of attachment utilizes an ultrasonic transducer.
All you need is an "ultrasonic" signal to come into it.