Saved Bookmarks
| 1. |
In an experiment, four quantities a, b, c and d are measured with maximum percentage error of 1%, 2%, 3% and 4% respectively. If quantity P is calculated as 1/2 2/3 1/4 a b P c d , then maximum percentage error in the calculation of P is (1) 2% (2) 4% (3) 3% (4) 5% |
| Answer» TION:CORRECT OPTION isA14%P=cda3b2⇒PΔP=3(aΔa×100)+2(bΔb×100)+(cΔc+100)+(dΔd×100) =3×1+2×2+3+4 =3+4+3+4=14% | |