Question

least count of vernier callipers
A) 1 M.S.D - 1 V.S.D
B) 1 V.S.D - 1 M.S.D
C) 1 M.S.D +1 V.S.D
D) 1V.S.D + 1 M.S.D​

Answer 1

Answer:

least count of vernier calliper scale is

option b