本题目来源于试卷: Physics Unit10: Fluids Related Topics，类别为 通用国际物理
[单选题]
A narrow tube is placed vertically in a pa5 p7aq -,y2o ivnln5nyn of wate *1q puejzhb/ .,ie2-dfdias3 r, and the water rises in the tube to 4.0 cm above the level of the pa2 1 p3 jfzieb,i-*e.duqah/sd n. The surface tension in the liquid is lowered to one-half its original value by the addition of some soap. What happens to the height of the liquid column in the tube?
A. It drops to 2.0 cm.
B. It drops to 1.0 cm.
C. It drops or rises, but the height cannot be calculated from the information given.
D. It remains at the same height.
参考答案: A
本题详细解析:
暂无
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