In an instrument there are 50 divisions on vernier scale which have length of 49 divisions of the main scale. 1 cm on main scale is divided in 20 equal parts. Find Least count
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Least counter of Vernier Callipers =1MSD -1 VSD
∴L.C.=1MSD−4950MSD=150MSD
=150×0.5=0.01m.m
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