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The time period (T) of small oscillations of the surface of a liquid drop depends on its surface tension (s), the density (rho) of the liquid and it's mean radius (r) as T = cs^(x) rho^(y)r^(z). If in the measurement of the mean radius of the drop, the error is 2 %, the error in the measurement of surface tension and density both are of 1%. Find the percentage error in measurement of the time period. |
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