本题目来源于试卷: Physics Unit12: Sound,类别为 国际高中通用物理
[单选题]
You double your distance from i 8)mfk r4 56znjkb-6qfs+mjta sound source that is ra:uph1ybimp;s)en 6a* diating equally in all directions. What happens to the intensity of the sound? It reducy61hn *;)ebiu:ps pma es to
A. one-half its original value.
B. one-fourth its original value.
C. one-sixteenth its original value.
D. none of the above
参考答案: B
本题详细解析:
暂无
|