Question

In a slide callipers, (m + 1) number of vernier divisions is equal to m number of smallest main scale divisions. If d unit is the magnitude of the smallest main scale division, then the vernier constant is

• A. $\frac{d}{m}unit$
• B. $\frac{md}{m+1}unit$
• C. $\frac{d}{m+1}unit$
• D. $\frac{(m+1)d}{m}unit$

Answer 1

Answer: (C)

$\frac{d}{m+1}unit$

Answer 2

The correct option is (C): $\frac{d}{m+1}unit$