Question

The density of a solid ball is to be determined in an experiment.The diameter of the ball is measured with a screw gange,whose pitch is 0.5 mm & there are 50 divisions on the circular scale.The reading on the main scale is 2.5 mm & that on the circular scale is 20 division.If the measurement mass of the ball has a relative error of 2% the relative % error in the density is​

Answer 1

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