state gov BSSC Laboratory Assistant Mock Test Series 2025 Physics Units, Dimensions and Measurements Accuracy, precision of instruments and errors in measurement
When two quantities are added or subtracted then the absolute error will be equal to the-
1
product of the absolute error of the individual quantities
2
mean of the sum of the absolute error of the individual quantities
3
sum of the absolute error of the individual quantities
4
difference in the absolute error of the individual quantities