The sound pressure level increases ____ as the decibel level increases from 40 to 80 dBs.
A) 1.5 times
B) 2 times
C) 4 times
D) 10 times

Question

Quizplus · Accepted Answer

The sound pressure level doubles with every increase of 6 dB, so going from 40 to 80 dB (a 40 dB increase) means the sound pressure level increases 2^(40/6) = 2^6.67 ≈ 100 times. However, given the options, the closest and most accurate answer is 10 times, indicating a simplification or misunderstanding in the question's options.

The Sound Pressure Level Increases ____ as the Decibel Level