Question

State whether vernier scale is lagging or leading with respect to zero of main scale for
i) positive error ii) negative error.​

Answer 1

Both conditions are given below.

Explanation:

• If the zero of the vernier scale is leading or to the right side of the to the zero of the main scale then the error will be positive.
• Similarly, If the zero of the vernier scale is lagging or lies to the left side of the main scale then the error will be negative.
• A vernier scale is a measuring instrument used for measuring the values of small objects.