A wire has a mass `0.3+-0.003g`, radius `0.5+-0.005mm` and length `6+-0.06cm`. The maximum percentage error in the measurement of its density isA. 1B. 2C. 3D. 4

A wire has a mass `0.3+-0.003g`, radius `0.5+-0.005mm` and length `6+-

1.	A wire has a mass `0.3+-0.003g`, radius `0.5+-0.005mm` and length `6+-0.06cm`. The maximum percentage error in the measurement of its density isA. 1B. 2C. 3D. 4
Answer» Correct Answer - D `rho=(m)/(pir^(2)l)rArr(Deltarho)/(rho)=(Deltam)/(m)+2(Deltar)/(r)+(Deltal)/(l)rArr(Delta rho)/(rho)xx100` `=(0.003)/(0.3)xx100+2x(0.005)/(0.5)+(0.06)/(6)xx100=4%`

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A wire has a mass `0.3+-0.003g`, radius `0.5+-0.005mm` and length `6+-0.06cm`. The maximum percentage error in the measurement of its density isA. 1B. 2C. 3D. 4

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