InterviewSolution
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InterviewSolution
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In the figure shown, the heavy cylinder (radius R) reasting on a smooth surface separates two liquids of densities `2rho` and `3rho`. The height h for the equilibrium of cylinder must be A. `3R//2`B. `Rsqrt((3)/(2))`C. `Rsqrt(2)`D. None of these |
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Answer» Correct Answer - B Torque of hydrostatic force about centre of sphere is already zero as hydrostatic force passes through the centre. `:. F_(LHS) = F_(RHS)` `:. (1)/(2) (2rho) (g) h^(2) = (1)/(2) (3 rho) (g) R^(2)` `:. h sqrt((3)/(2))R` |
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