Question

why us vernier scale used?​

Answer 1

$\huge\boxed{\fcolorbox{black}{pink}{❥Aɳʂɯҽɾ࿐}}$

• ❥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.

Answer 2

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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.