examples of inaudible sounds and it's decibel
Answers
Answer:
DECIBEL SOUND EXAMPLE
10 Almost inaudible A leaf falling
20 Audible Rustles of autumnal leaves
30 Very quiet Whispering
40 Living room, quiet classroom
Answer:
A 60 Hz sound at 40 dB is inaudible. The 0-phon curve represents the threshold of normal hearing.
We can hear some sounds at intensity levels below 0 dB.
For example, a 3-dB, 5000-Hz sound is audible, because it lies above the 0-phon curve.
Explanation:
Examples of inaudible sounds include:
1) Infrasound - these are sounds that have wave frequencies that are below the normal lower human hearing limit - which is below 20Hz. Examples include communication sounds made b whales, elephants, giraffes and rhinos.
Decibel Sound Example
10 Almost inaudible A leaf falling