Physics-
General
Easy
Question
An open-ended U-tube of uniform cross-sectional area contains water (density 1.0 gram/
standing initially 20 centimeters from the bottom in each arm. An immiscible liquid of density 4.0 grams/ centimeter3 is added to one arm until a layer 5 centimeters high forms, as shown in the figure above. What is the ratio 
of the heights of the liquid in the two arms?
- 3/1
- 5/2
- 2/1
- 3/2
The correct answer is: 2/1
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