The zero error in a Vernier callipers is said to be negative when

The zero error in a Vernier callipers is said to be positive when

Reading A Vernier Calliper

The least count of a vernier callipers is :

The Vernier constant of a Vernier Callipers is

The Vernier constant of a Vernier Callipers is

Discuss the zero error of a vernier callipers and state how it can be corrected.

A boy uses a vernier callipers to measure the thickness of his pencil. He measures it to be 1.4 mm. If the zero error of vernier callipers is + 0.02 cm, what is the correct thickness of pencil ?

Introduction Of Vernier Callipers

Screw gauge is said to have a negative error.