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Table of sound levels L (loudness) and
corresponding sound pressure and sound intensitySound Sources
Examples with distancedBASound Pressure p
N/m2 = PaSound Intensity I
W/m2Jet aircraft, 50 m away140200100Threshold of pain13063.210Threshold of discomfort120201Chainsaw, 1 m distance1106.30.1Disco, 1 m from speaker10020.01Diesel truck, 10 m away 900.630.001Kerbside of busy road, 5 m 800.20.0001Vacuum cleaner, distance 1 m 700.0630.00001Conversational speech, 1 m 600.020.000001Average home 500.00630.0000001Quiet library 400.0020.00000001Quiet bedroom at night 300.000630.000000001
Background in TV studio 200.00020.0000000001Rustling leaves in the distance 100.0000630.00000000001Threshold of hearing 00.000020.000000000001
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How loud is 20 decibels?
100 times as loud as breathing
What is 53C below zero?
The answer is 53/64 below zero fahrenheit
What is the scale used to define sound intensities?
Take a sound pressure level meter (SPL meter). Try to measure the sound pressure p in pascals or in decibels, referred to the threshold of hearing with 20 micropascals.
How many protons and electrons does iodine -131 have?
The atomic number of Iodine is 53, and so one atom of Iodine has 53 protons. In order for the charge to be balanced, each atom of Iodine must also have 53 electrons.
How many degrees celsius is 53 degrees Fahrenheit?
53 degrees Fahrenheit = 11.6 degrees Celsius.
How loud is a washing machine in decibels?
Aome machines claim to spin at 74 decibels. Is that loud?
How loud is 43 decibels?
Fundamentally, 43 decibels is loud. It is probably enough to annoy neighbors, but anything 85 decibels is enough to hurt hearing.
How loud is 56 decibels and what does it compare to?
About as loud as a normal conversation.
How loud is 20 decibels?
100 times as loud as breathing
How loud is 109 decibels?
109 decibles
How loud are washing machine spinning?
how loud is a washing machine in decibels when spinning
What decibels can damage your ears?
listening to loud audio for a long period time can decibels your ears.
Is 8.9 decibals high?
yes it is... its almost high enough to make you deaf.........LOL! 8.9 decibels is very, very quiet. It is quieter than a whisper. 70 decibels is loud. 140 decibels is painfully loud.
How loud can a bird tweet?
Cockatoo-134 decibels
How loud can get one direction concerts get?
104 decibels
How loud is a Helicopter?
It would be about 80 decibels if you were nearby.
How loud is 57 decibels?
57 decibels is about the noise that a high speed toothbrush makes or the low setting on an alarm clock or telephone. It can be loud enough to wake you up.
