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Earn +20 ptsQ: How loud is 30 decibel l?
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What is the unit for measuring the volume of sound?
There are two: the bel, or more commonly, the decibel, which is a logrithmic representation of the pressure of a sound, and the phon, which is a measure of how loud a sound is perceived.
What type of scale is the decibel scale?
The decibel scale is a logarithmic scale. Scroll down to related links and look at "Decibel - Wikipedia" and "Sound level meter - Wikipedia".
What is the length of the rectangle if the perimeter is 60cm and is twice its width?
The length is 20cm and the width is 10cm P = 2l + 2w 60 = 2l + 2w 30 = l + w 30 = 2w + w 30 = 3w w = 10 30 = l + w 30 = l + 10 l = 20
What does the L in front of the serial number on a Winchester 94 30 30 mean?
It looks like an L, but, it is a one.
You multiply or dividing the decibels by the decibels?
There is no point in doing either one of these. A decibel, being the log of a ratio, is added to or subtracted from another decibel.
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