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 whistles can be heard only by dogs but these cannot be heard by human beings

What is Use of Ultrasounds

  • It is used for medical diagnostic (medical lab tests)
  • It is used to check depth of ocean
  • 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