Question

Write three uses of ultrasonic sounds.

Answer 1

1. Ultrasonic sounds are sound waves that have frequencies greater than 20000 Hz.
2. Ultrasonics have a wide range of applications in today's world.
3. The three applications of ultrasonic sounds are
   3.1. Ultrasonography: A procedure that uses high-energy sound waves to look at tissues and organs inside the body.
   3.2. SONAR (sound navigation and ranging): Sonar, (from “sound navigation ranging”), technique for detecting and determining the distance and direction of underwater objects by acoustic means.
   3.3. Detection of cracks: Crack detection is conducted by recognizing the cracked sound pulses.