Question

The head of a screw gauge is divided into 100 divisions. It advances 5 mm when
10.
screw is rotated through 5 rotations. Then least count is
A) 1 mm
B) 0.0001 cm
C) 0.0001 mm
D 0.001 cm
In an
in
hich coincid​

Answer 1

Then least count is

C) 0.0001 mm