Physics - Practical physics Question with Solution | TestHub

Student $A$ and student $B$ used two screw gauges of equal pitch and $100$ equal circular divisions to measure the radius of a given wire. The actual value of the radius of the wire is $0.322 \mathrm{cm}$. The absolute value of the difference between the final circular scale readings observed by the students $A$ and $B$ is _______.

[Figure shows position of reference $O$ when jaws of screw gauge are closed]

Given pitch $=0.1 \mathrm{cm}$.