TS EAMCET 4-Aug-2021 Shift 1 Question Paper

A U-shaped tube is partially filled with an incompressible liquid of density 1.2 g/cm3. Oil which does not mix with the liquid is next poured into left side of the U-tube until the liquid rises by 15 cm on the right side of U-tube. If the density of the oil is 0.9 g/cm3, the oil level will stand higher than the liquid level of right side of U-tube by