Question

Uses of ultrasonic sound any two

Answer 1

Ultrasound is no different from 'normal' (audible)sound in its physical properties, except in that humans cannot hear it. ...Ultrasound devices operate with frequencies from 20 kHz up to several gigahertz. Ultrasound isused in many different fields. Ultrasonic devices are used to detect objects and measure distances.

Answer 2

hi mate,

• Ultrasound is used in many different fields. Ultrasonic devices are used to detect objects and measure distances.
• Ultrasound imaging or sonography is often used in medicine. In the nondestructive testing of products and structures, ultrasound is used to detect invisible flaws.
• Sounds in the range 20-100kHz are commonly used for communication and navigation by bats, dolphins, and some other species. Much higher frequencies, in the range 1-20 MHz, are used for medical ultrasound. Such sounds are produced by ultrasonic transducers
• Doctors commonly use ultrasound for procedures such as: abdominal scans – may be used to investigate abdominal pain, nausea, vomiting, abnormal sounds and lumps.
• Structures to be examined may include the gallbladder, bile ducts, liver, pancreas, spleen, kidneys and large blood vessels.