Pressure and depth
2 marks · EasyCalculate the pressure difference at a depth of 2.5 m in a liquid of density 1200 kg/m³. Take g = 10 N/kg.
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30,000 Pa (±100)
Also accept: 30,000
Common mistakes: Confusing units; Mistyping numbers in the calculation
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Marking points
M1 · 1 mark · Substitutes correctly into the equation p = h × ρ × g
A1 · 1 mark · Final answer calculated correctly: 30,000 Pa
Worked solution