12. What do you understand by the term zero error of a
Vernier calliper. Illustrate this with the help of well
labelled diagrams ( according to grade 9th icse evergreen physics candid by Jatinder Singh)
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A vernier caliper uses two scales, main scale and the vernier scale. They are attached together. Before using it, try to bring the ends of the two scales together, that is near the zero of the main scale. You will understand this better by this diagram, wait. This is called zero error
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