5 Questions
What is the approximate upper audible limit of human hearing in healthy young adults?
20 kilohertz
In which field is ultrasound imaging or sonography often used?
Medicine
What did Francis Galton invent in 1893, which produced ultrasound?
Galton whistle
What is the frequency range in which ultrasonic devices operate?
20 megahertz to 20 gigahertz
For what purpose is ultrasound used in the nondestructive testing of products and structures?
Detecting invisible flaws
Study Notes
Human Hearing and Ultrasound
- The approximate upper audible limit of human hearing in healthy young adults is 20,000 Hz.
- Ultrasound imaging or sonography is often used in the field of medicine.
- Francis Galton invented the whistle, which produced ultrasound, in 1893.
- The frequency range in which ultrasonic devices operate is above 20,000 Hz.
- Ultrasound is used in the nondestructive testing of products and structures to detect flaws or defects.
Test your knowledge of ultrasound technology and its applications in this quiz. Explore the principles of acoustic waves, frequency ranges, and the use of ultrasound in medical examinations and other fields.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
