Q5 of 44 Page 20

How will you measure the least count of vernier caliper?

Least count of vernier caliper can be measured by following steps:

i) Find main scale division. The main scale division can easily


be obtained by inspecting the main scale. It will be in centimetre, further divided into millimetre. The value of smallest main scale division is 1 mm.


ii) Then find the vernier scale division. The Vernier scale division is obtained by counting number of division in it. In the Vernier scale there will be 10 divisions.


iii) To obtain least count, divide the smallest main scale division by total number of vernier scale division.



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