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In one meter distance the hairdryer can be 60 dBSPL.
Never forget to tell the distance of the measuring microphone from the the hairdryer , because the closer you are to the the louder it is.
The sound pressure level decreases by 6 dB per doubling of distance from the source to 1/2 (50 %) of the sound pressure initial value.
The sound pressure decreases inversely as the distance increases with 1/r from the sound source.
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How many decibels does a jackhammer have?
130 decibels: jackhammer, power drill, air raid
How many decibels in a Bel?
10
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120
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23
How many decibels are quiet generators?
There is a few generators that will produce less than 60 decibels. That is about the same decibels as background music. These are good to use if you live in an apartment or have very close neighbors.
How many decibels is a whisper?
20 decibels
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207 decibels.
How many decibels does a cough produce?
70-100 decibels
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20 to 50 decibels (dB).
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85 decibels maximum.
How many decibels?
in what
How many decibels does a sonic grenade emit?
130 decibels -140 decibels close up maybe louder though
How many decibels is a ak-47 rifle?
Roughly 150-160 decibels.
What are waves measured in?
•Sound can be measured in many ways such as decibels. There is a special machine which you can by that measures how many decibels something makes. A pin makes 10 decibels where as a loud persons or a stereo can make up to 80 decibels. Volume is measured in decibels. So Frequency is measured in hertz
How many decibels does a plane have?
a plane has 15000 decibels, there are lots maybe upto 2000000
How many decibels can make 1 deaf?
deafning sounds begins at 170 decibels
How many sones is 50 decibels?
50 phons (decibels) is equivalent to 2 sones.
