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

Example

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

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CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 9 years and a teacher from the past 16 years. He teaches Spoken English, Written English, Grammar and Vocabulary at Englishtan.