Sounds having frequency greater than 20000 Hz are called Ultrasonic Sounds


Can Ultrasonic Sounds be heard by animals

Yes,some animals can hear ultrasonic sounds like dogs,cats,bats etc


Some dog trainers use special kinds of whistles due to their high frequency for their dogs

These whistels can be heard only by dogs but these cannot be heard by human beings

What is Use of Ultrasounds

  1. It is used for medical diagnostic (medical lab tests)
  2. It is used to check depth of ocean
  3. It is used in treatment of muscle pain and arthritis


  1. Class 8
  2. Chapter 13 Class 8 - Sound

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo