Question

What is the difference between vernier callipar's zero correction and zero error?​

Answer 1

Explanation:

1. No Zero Error: If the zero of main scale coincide with the zero of the Vernier scale then the instrument has no zero error. 2. Positive Zero Error: If the zero of the venier scale on the right of zero of the main scale then the zero error will be positive, but the zero correction will be negative.

Answer 2

Answer:

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Explanation:

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