A sound that measures 30 decibels is how many times louder than the theshold of hearing

2 answers:

5 0

A sound that measures 30 decibels is 1.5 times louder than the threshold of hearing as normal hearing threshold of human hearing is 20 decibels.

borishaifa [10]3 years ago

3 0

Decibels measure intensity. If you whisper in an empty room it will measure between 0 and 1 db. This indicates the intensity of sound is minimal. This is considered the threshold of hearing.

A sound that measures 30 decibels is a 1000 times louder than the the threshold of hearing. An example of this is the noise of a regular computer produces between 20-40 dB.

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