Question

explain vernier calliper​

Answer 1

$explaination$

A measuring instrument consisting of an L-shaped frame with a linear scale along its longer arm and an L-shaped sliding attachment with a vernier scale, used to read directly the dimension of an object represented by the separation between the inner or outer edges of the two shorter arms.

Answer 2

Answer:

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 .

Creator: Pierre Vernier

Year invented: 1631

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