Question

The thimble of a screw gauge has 100 divisions engraved on it. It the thimble advances 4 mm, when two complete rotations are given then its pitch is​

Answer 1

Answer:

(i)= 0.5 mm (ii) 0.005 mm

Explanation:

Pitch= total dist. covered on main scale/ No. of

rotations

=2/4

=0.5 mm

Least count = Pitch / Total no. of division on circular scale

=0.5/100

=0.005 mm