本题目来源于试卷: Physics Unit12: Sound，类别为 通用国际物理
[单选题]
As the temperature of the air increasg8 hmjpmcc5qmfr823kg. , de4 es,(vn-ghng;2 n 2m:qnni what happens to the velocity of sound? (Assume thm:ni ;g(2q nnn-2 ghvnat all other factors remain constant.)
A. It increases.
B. It decreases.
C. It does not change.
D. It increases when atmospheric pressure is high and decreases when the pressure is low.
参考答案: A
本题详细解析:
暂无
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