Here is another question about sound levels. Suppose that you set the system on the right to 90 dB, and the system on the left to 70 dB, as seen by clicking on the respective photographs.


What will the meter read when the right side system is set to 90 dB and the left side system is set to 70dB and added in?
The sum of 90 dB on the right and 70 dB on the left will be:
Click here for Answer #150 after May 5, 2003.


