Question

The tip of a screw moves through a distance of 2 mm when it is

given four complete rotations. What is its pitch in mm ?​

Answer 1

Answer:

Circular scale has 50 divisions so one rotation=50 divisions

Thus 4 rotation=200 division

and it is given that 4 rotation=2mm so 200 division=2mm

So least count = 1Division=(2/200)mm=.01mm