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Question No. 9
A vernier caliper has 1 mm marks on the main scale. It has 20 equal divisions on the vernier scale (VSD) which match with 18 main scale divisions (MSD). For this vernier caliper, the least count (L.C.) is
A. 0.1 mm
B. 0.01 mm
C. 0.2 mm
D. 0.02 mm

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