What is vernier scale and why is it so called?
Answers
A vernier scale is a visual aid to take an accurate measurement reading between two graduation markings on a linear scale by using mechanical interpolation; thereby increasing resolution and reducing measurement uncertainty by using Vernier acuity to reduce human estimation error.
Purpose: Measuring more precisely than could be done unaided when reading a uniformly divided straight or circular measurement scale
It was created by Pierre Vernier in 1631, so it is called vernier scale
A vernier scale is a visual aid that allows the user to measure more precisely than could be done unaided when reading a uniformly divided straight or circular measurement scale. It is a subsidiary scale that indicates where the measurement lies in between two of the graduations on the main scale .
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