Question

Each main scale division of a vernier calliper is 0.05 mm and the vernier scale has 20 divisions which is equal to 19 main scale divisions. Find the least count of the vernier callipers.​

Answer 1

A vernier callipers has 20 divisions on the vernier scale which coincide with 19 divisions on the main scale. The least count of the instrument is 0.1 mm. The main scale divisions are of. ⇒0.1=120 MSD ⇒ MSD = 2mm