state gov RPSC 2nd Grade Senior Teacher Mock Test Series 2025 Physics Units, Dimensions and Measurements Accuracy, precision of instruments and errors in measurement
A metal wire has mass (0.4 ± 0.002) g, radius (0.3 ± 0.001) mm and length (5 ± 0.02) cm. The maximum possible percentage error in the measurement of density will nearly be:
1
1.2%
2
1.3%
3
1.6%
4
1.4%
5
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