Ultrasound is not used to:
as a tool in the treatment of muscular pain.
find the distance of the building.
clean spiral tubes.
detect defective foetus.
Ultrasound is not used to find the distance of the building. Whereas it is used for the rest of the purposes.
Explain how flaws (or defects) in a metal block can be detected by using ultrasound.
How is ultrasound used for cleaning?
A destroyer sends out an ultrasound to detect the presence of any submarine. A reflection of the ultrasound (reflected back from a submarine) is detected 5.8 seconds after its transmission. The speed of the ultrasound is 1531 m/s.
What is the distance between the submarine and the destroyer?