The liquids shown in figure in the two arms are mercury (density = 13.6 g cm⁻³) and water. If the difference of heights of the mercury column is 2 cm, find the height h of the water column:- h Water. Image
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Question

The liquids shown in figure in the two arms are mercury (density = 13.6 g cm⁻³) and water. If the difference of heights of the mercury column is 2 cm, find the height h of the water column:- h Water. Image

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G1 Physics · Accepted Answer

Step 1: Use hydrostatic equilibrium, P₂−P₁ = ρgΔh; in an accelerating fluid replace g by the effective acceleration where required. Step 2: Equate pressures at the same horizontal level or integrate pressure over the stated surface. Applying these relations to the given data gives D: 27.2 cm. Final answer: D.