Physics
Grade-6
Easy
Question
20 Hz to 20000 Hz is called _______.
-
Ultrasound
- Infrasound
- Audible sound
- None of these
Hint:
The audible frequency range for human ear is from 20Hz to 20000Hz ,
The correct answer is: Audible sound
-
The audible frequency range for human ear is from 20Hz to 20000Hz , waves having frequency above 20000Hz , are called ultrasonic and below 20Hz , they are called infrasonic
-
20 Hz to 20000 Hz is called Audible Sound.
The audible frequency range for human ear is from 20Hz to 20000Hz , waves having frequency above 20000Hz , are called ultrasonic and below 20Hz , they are called infrasonic
20 Hz to 20000 Hz is called Audible Sound.
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