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]
As the temperature of the air inc0h 7w4w.d(c 9/adx5lfk36 pk rbqkpkhreases, wt xxsr4z v,8vdp e7e pz)sz)53hat happens to the velocity of sound? (Assume that all other factxvs 4pzx5) t 8z3srpde7zv ,e)ors 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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