問題詳情

5. A violin is played with an initial intensity

what is the difference in soundintensity level (dB) between these two extremes?
(A) 10(log5)
(B) 5
(C) 10
(D) 10(log2)
(E) 2(log5) 

參考答案

答案:A
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)