railway RRB Technician Grade 1 Mock Test 2024 Physics Units, Dimensions and Measurements Accuracy, precision of instruments and errors in measurement
If the smallest reading on the main scale of the vernier caliper is 0.1 cm and the number of divisions on the vernier scale are 5, then the least count of the vernier caliper will be:
1
0.01 cm
2
0.001 cm
3
0.02 cm
4
None of these