science
Grade6
Easy
Question
20 Hz to 20000 Hz is called _______.
- Ultrasound
- Infrasound
- Audible sound
- None
Hint:
The audible range is 20Hz-20,000Hz.
The correct answer is: Audible sound
- The audible range is 20Hz-20,000Hz.
- Ultrasound is above 20,000Hz.
- Infrasound is below 20Hz.
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