railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Physics Units, Dimensions and Measurements Accuracy, precision of instruments and errors in measurement
Z = \(\frac{A^{2} B^{3}}{C^{4}}\) అయితే, Z లోని సాపేక్ష దోషం ఏమిటి?
1
\(\frac{\Delta A}{A}+\frac{\Delta B}{B}+\frac{\Delta C}{C}\)
2
\(\frac{2 \Delta A}{A}+\frac{3 \Delta B}{B}−\frac{4 \Delta C}{C}\)
3
\(\frac{2 \Delta A}{A}+\frac{3 \Delta B}{B}+\frac{4 \Delta C}{C}\)
4
\(\frac{\Delta A}{A}+\frac{\Delta B}{B}−\frac{\Delta C}{C}\)