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Units and Measurements — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsUnits and Measurements1 Mark
Question
What is percentage error in volume of a sphere, when error in measuring its radius is 2%?
✓

Answer

As Volume of a sphere (V), i.e. $\frac{\Delta\text{V}}{\text{V}}\times100=3\frac{\Delta\text{r}}{\text{r}}\times100$ $=3\times(\pm2\%)=\pm6\%$

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