Question

state three uses of a vernier callipers.

Answer 1

Hello 
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@ Vernier caliper is scale that can measure more preciously than meter scale
@ its least count is 0.01 cm.
@ it can measure dimensions 
@ it can measure depth 
@ it can measure inner and outer diameters 

Answer 2

The main use of the vernier caliper is to measure the internal and the external diameters of an object. To measure using a vernier scale, the user first reads the finely marked "fixed" scale (in the diagram). This measure is typically between two of the scale's smallest graduations. The user then reads the finer vernier scale (see diagram), which measures between the smallest graduations on the fixed scale—providing much greater precision.

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