Physics - Practical physics Question with Solution | TestHub

The distance advanced by the screw of a screw gauge is$2 \mathrm{m}\mathrm{m}$in$4$rotations. Its cap is divided into$50$divisions. There is no zero error. If the screw reads$3$divisions on the main scale and$32$divisions on the cap, then the diameter (in$\mathrm{mm}$) of the wire is