1.

The relation between main scale division (M.S.D) and Vernier scale division (V.S.D) for backward Vernier scale is _______

A. n*V.S.D = (n-2)*M.S.D
B. n*M.S.D = (n-1)*V.S.D
C. n*M.S.D = (n-2)*V.S.D
D. n*V.S.D = (n+1)*M.S.D
Answer» E.


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