Question

Screw Guage of pitch 0.1 cm and 50 division on circular scale, measure thickness of an object which of the following measurement is possible for thickness.
2.123cm
2.124cm
2.125cm
2.127cm​

Answer 1

Answer:

2.124cm

Explanation:

Thickness =main scale reading + Circular scale reading (L.C)

Here , L.C = 0.1/50 = 0.002 cm per division Hence , Possible measurement is 2.124 cm