Question

if the pitch of the screw gauge is 1 mm and there are 200 divisions on the circular scale, the least count of the screw gauge will be

• A. 0.01 mm
• B. 0.02 mm
• C. 0.002 mm
• D. 0.005 mm

Answer 1

The correct option is D 0.005 mm

least count is defined by LC = $\frac{1mm}{200}=0.005mm$