AP Physics 2hardmcq1 pt
A U-tube holds water in one arm and oil (density 800 kg/m³) in the other. If the water column is 8.0 cm high, the oil column is
A.10 cm
B.6.4 cm
C.8.0 cm
D.16 cm
Explanation
Core Concept
Pressure balance: ρ_w hw = ρ_o hₒ, so hₒ = (1000)(8.0)/800 = 10 cm.
Correct Answer
A10 cm
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