Pl differentiate between pitch and least count of a vernier caliper.


The smallest measurement on the main scale is called pitch whereas the smallest measurement an instrument (vernier caliper) can correctly measure is the least count.

Pitch is given by,

Pitch=Unit of main scaleNumber of divisions in the unit

Least count of vernier caliper,

LC=Smallest reading on main scaleNumber of divisions on Vernier scaleLC=PitchNumber of divisions on Vernier scale

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