An open-ended U-tube of uniform cross-sectional area contains water (density 10 3 kg m -3 ). Initially the water level stands at 0.29 m from the bottom in each arm. Kerosene oil (a water-immiscible liquid) of density 800 kg m -3 is added to the left arm until its length is 0.1 m, as shown in the schematic figure below. The ratio 
of the heights of the liquid in the two arms is
Text Solution
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800 x 0.1 + 1000 x x = 1000 x (0.58 - x)
2000 x= 500
x = 0.25m
So, h 1 = 0.35 m, h 2 = 0.33m
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