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| 1. |
In the previous question if the mass of the wire is measured as `0.53kg` and length of the wire is measured by an mm scale and is found to be `50.0cm` find the density of the wire in correct significant . |
| Answer» `rho=(m)/(((pid^(2))/(4))l)=((0.53xx10^(3))xx4)/((3.14)(1.70xx10^(-3))^(2)(50xx10^(-2)))g//m^(3)=4.7xx10^(8)(2S.F.)` . | |