Question

below shows the reading obtained while
measuring the diameter of a wire with a screw
gauge. The screw advances by 1 division-on main
scale when circular head is rotated once.
mm
E 40
Fig 1.15
Find : (i) pitch of the screw gauge,
(ii) least count of the screw gauge, and
(iii) the diameter of the wire.​

Answer 1

Answer:

2 is best answer for this