Question

L.C. of screw gauge is​

Answer 1

Answer:

The least count of the screw is defined as the distance moved by the tip of the screw when turned through one division of the head scale

A screw gauge of 100 divisions will move the cap scale along the main scale by 1/100 of mm-0.01 mm. This is the minimum value up to which a screw gauge can measure and is known as its least count