Audible Sounds

Sounds which can be heard by us are called Audible Sounds


Range of Audible Frequency for Human ear is 20 Hz to 20000 Hz

It means human beings can hear sound having frequency from 20 Hz to 20000 Hz

Inaudible Sounds

Sounds which we are not able to hear are called Inaudible Sounds


Human beings cannot hear

Sound having frequency less than 20 Hz (Called Infrasonic or Infrasound)


Having Frequency more than 20000 Hz (Called Ultrasonic or Ultrasounds)



NCERT Question 3 (d) - In the following statements, tick T against those which are true, and F against those which are false:

For human ears, the audible range is 20 Hz to 20,000 Hz. (T/F)

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.