A vernier calipers has 1 mm marks on the main scale. It has 20 equal division on the Vernier scale which match with 16 main scale divisions. For this Vernier calipers, the least count is :
Text Solution
Verified by ExpertsThe correct answer is:
D
20 VSD = 16 MCD
1 VSD = 0.8 MSD
Least count = MSD – VSD
= 1 mm – 0.8 mm
= 0.2 mm
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