What is the smallest main-scale, division?

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Solution

A measuring tool used to measure linear dimensions is referred to as an Vernier Caliper. With the aid of the measuring jaws, it is also used to determine the diameter of circular objects.
The Vernier constant is another name for the Vernier caliper lowest count. The distance between the main scale division and the Vernier scale division is how it is defined.
It is mathematically given as: $V C = 1 M S D - 1 V S D$
The least count of Vernier Caliper is $0.1 m m$ .
A Vernier caliper's smallest main scale division is $1 m m,$ and $10$ Vernier divisions correspond to $9$ main scale divisions.

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