Question

the diameter of a wire is measured to as 0.236  cm with the help of screw gauge . The least count of the screw gauge is 0.001 cm . Calculate the possible percentage error in measurement.

Answer 1

$Percentage  error = \frac{least count}{value of measurement} *100$

$Error = \frac{0.001}{0.236} *100 =$ 0.42%