Physics
Grade-8
Easy
Question
Drums can produce ultrasound.
- True
- False
Hint:
False
The correct answer is 'False'.
- Drums can produce audible sound.
- Audible range of frequency for an average human ear is 20Hz-20kHz.
- Sounds with frequencies more than 20kHz are ultrasounds.
- So, the given statement is false.
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