Question

A vernier caliper having least count $\frac{1}{20N}$cm and one main scale division is 1 mm, then value of one vernier scale division is

• A. $\frac{N+1}{2N}mm$
• B. $\frac{2N+1}{2N}mm$
• C. $\frac{2N-1}{2N}mm$
• D. $\frac{2N+2}{2N}mm$

Answer 1

Answer: (C)

$\frac{2N-1}{2N}mm$

Answer 2

The Correct answer is option is (C) : $\frac{2N-1}{2N}mm$