Question

what is ultrasound and give its applications ?

Answer 1

Ultrasound » The sound which has a frequency of more than 20,000 Hz or 20kHz is called as ultrasonic sound or ultrasound.
It is inaudible to humans.


$\huge{Applications of Ultrasound}$

→ Ultrasound is used to clean some parts that are not in ease to reach. for example, spiral tubes.

→ Ultrasound are used to detect defects in various objects. If there is a defect in an object, the ultrasound reflect back and so, they do not reach the receiver which is placed at the other hand, thus, cracks are located.

→ Ultrasound is used in detecting defects in human body also.

→ Ultrasound can be used to cure kidney stone. Ultrasounds are able to break small stone present in kidney.