The density of water is 1.0 g/cm³. If h = 20 cm, the density of the oil in the left column of the U-tube shown below is: 2 cm oil water O 0.20 g/cm3 O 0.90 g/cm³ O 1.0 g/cm3 O 1.3 g/cm3 O 5.0 g/cm3
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