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A common approximation is when the intensity of a sound is doubled, the decibel level increases...

A common approximation is when the intensity of a sound is doubled, the decibel level increases by 3. The sound level in a particular location is 100 dB. By what approximate factor is the sound intensity increased if the new decibel level of this sound is 106?

a. 4

b. 2

c. 6

d. 3

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Calculation of approximate factor by which sound intesity increases when decibel level increases from 100 to 106.We use the common approximation that doubling the intensity of sound causes the decibel level to increase by 3.

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