Question

A vernier caliper has $10$ main scale divisions coinciding with $11$ vernier scale division equals $5$ $mm$. the least count of the device is :

• A. $\frac{1}{2}$
• B. $\frac{5}{12}$
• C. $\frac{5}{11}$
• D. $0.3$

Answer 1

Answer: (C)

$\frac{5}{11}$

Answer 2

The correct option is (C): $\frac{5}{11}$