Diagnostic imaging refers to a variety of non-invasive methods for identifying and monitoring diseases or injuries via the generation of images representing internal anatomic structures and organs of the patient's body.
Sound waves travel fastest through a solid material. The second fastest medium is a liquid, and the slowest medium is a gas, because sound waves travel by vibrating molecules in a medium. In solids,... Sound waves travel fastest through a solid material.
1 How fast sound travels (i.e. the speed of sound) depends on what medium it is traveling through. 2  The speed of sound is 340 meters per second in air while as the speed of sound is 1450 meters per second in water.e hear sounds because the vibrations created travel through the air to our ears. Notice that when people want to hear something better they often cup their hand around their ear. This is to help them catch the sound waves.