It consists of 1.Main Scale (graduated in cm/mm)
2.Vernier Scale.
Least count is the minimum possible length, that can be measured from that apparatus.
*If N div. Of V.S. are equal in length to (N-1) M.S.div. Then L.C.=1M.S.-1V.S. [ 1-(N-1)/N ] ms =1ms/N *Reading of Vernier Caliper will be: M.S. reading + (V.S. reading*L.C.
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