Question

What is Ultrasound? Class 9th Physics​

Answer 1

$\huge\bold{Answer}$

Medical ultrasound is a diagnostic imaging technique, or therapeutic application of ultrasound. It is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs. Its aim is often to find a source of a disease or to exclude pathology.

Answer 2

Answer:

Sound travel as a mechanical longitudinal wave in which back and forth partical motion is parallel to the direction of wave travel