Formulating Decibel

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Question: On the front row of the concert the sound level reaches a value of 110db. In the back row the sound intensity (Watt/m2) is reduced by a factor of 1000. The decibel in the back row is
a. 10 dB
b. 110dB
c. 1000dB
d. 80dB
e. none of the above - explain.

My physics teacher has given me no formula and I have no idea how to solve this problem let alone where to find it.

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Answers (1)

  • Anonymous
    Rating:4 stars

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