JEE Main 2024 Physics question
10 divisions on the main scale of a Vernier caliper coincide with 11 divisions on the Vernier scale. If each division on the main scale is of 5 units, the least count of the instrument is:
Answer: (C)
Solution
1 VSD = 10/11 MSD; least count = 1 MSD − 1 VSD = (1/11)(5) = 5/11.