Leaves rustling at a distance. A ticking watch is twice as loud!
A bel is a unit of sound intensity equal to ten decibels.
A bel is a unit of sound intensity equal to ten decibels.
Sound is measured in decibels, dB. Ten decibels (one Bel) sounds twice as loud as another sound. One decibel is the amount of sound just distinguishably louder than another sound. Named after A G Bell of telephone fame.
Sound is measured in decibels, dB. Ten decibels (one Bel) sounds twice as loud as another sound. One decibel is the amount of sound just distinguishably louder than another sound. Named after A G Bell of telephone fame.
the sound intensity is measured in work /m .that means , si unit of sound intensity is decibel ( db) .
Decibels are a measurement of the loudness of sound.
100 times intensity.
A quiet conversation is about 60 decibels. The sound of rustling leaves is about 40 decibels. The sound of a mosquito at 3 meters is said to be about 1 decibel.
Decibels
in decibels and you can get hi-tech equipment that can tel you the intensity of the sound in decibels and hertz
decibels
A sound at 15 decibels is not very load. It is equivalent to the sound that watch makes when ticking.