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 placafhr/e2d gvj wkd9+8:1 i:xzsd06-drtr2fv9e4zv 8xyp5ta l ed vertically in a pan of water, and the water rises in the tube to 4.0 cm above the level of the pan. The surface tension in the liquid is lowered to one-8x 95ddel farv2y r0p-t4v6 tzhalf 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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