Two immiscible liquids are poured in a U–tube having densities 1 = 1.0 × 103 kg/m3 and 2 = 3.0 × 103kg/m3. Find the ratio of heights (of the liquids above their interface) h1/h2.
p0 + ρ1gh1 = p0 + ρ2gh2
⇒ h1/h2 = ρ2/ρ1 = 3.
