1.

The density of a cube is measured by its mass and the lengths of its arms. If the errors in measurement of massand length are 4% and 3% respectively, then the measurement ofdensity will be(a) 7%.(c) 13%(b) 10%(d) 15%​

Answer» DENSITY d= VolumeMass Or d= a 3 m PERCENTAGE ERROR in density % d= %m+3× % a⟹ %d=3+3×2=9 %


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