Question

What approximate change in decibels does an observer experience form a sound source if the observer moves to a new location that is 67% as far from the source?

23
-23
40
2.76
-2.76
1.94
-1.94
2.57
-2.57
0

do I multiply .67 times 10 log .67?

Answer 1

That's a tough one...I was thinking of putting .33% somewhere in that equation, but I have no idea