JEE Main 202528 Jan, Morning shiftPhysicsMediumUnits and Measurements122× since 2002
A tiny metallic rectangular sheet has length and breadth of 5 mm and 2.5 mm, respectively. Using a specially designed screw gauge which has pitch of 0.75 mm and 15 divisions in the circular scale, you are asked to find the area of the sheet. In this measurement, the maximum fractional error will be where is ______.