A screw gauge gives the following readings when used to measure the diameter of a wire
Main scale reading : $0 mm$
Circular scale reading : $52 divisions$
Given that $1 mm$ on main scale corresponds to $100 divisions$ on the circular scale. The diameter of the wire from the above data is:NEET 2021

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TestHub · Accepted Answer

L . C . = 1 100 m m = 0 . 01 mm Now, Diameter of wire = 52 × 0 . 01 = 0 . 52 mm = 0 . 052 cm

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