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Audible Sounds

Sounds which can be heard by us are called Audible Sounds

Example

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

Example

Human beings cannot hear

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

Or

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

sounds---teachoo.jpg



Questions

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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CA Maninder Singh is a Chartered Accountant for the past 12 years and a teacher from the past 16 years. He teaches Science, Accounts and English at Teachoo