試卷名稱:114年 - 114 國立中山大學_學士後醫學系招生考試試題:物理與化學#126239
年份:114年
科目:學士後西醫物理及化學
46. The sound intensity level is defined as L = 10-log10(1/10) with the unit dB, where I is the sound intensity in units of W/m² and I0 =
W/m². If a machine generates a noise level of 84 dB, what will be the noise level if an additional identical machine is turned on? [
= 0.301]
(A) 84 dB
(B) 168 dB
(C) 90 dB
(D) 190 dB
(E) 87 dB