Question

How is a length measured by this callipers, corrected for the zero error?​

Answer 1

Explanation:

The zero error may be of two types: when the scale is towards numbers greater than zero it is positive; else negative. The method to use a vernier scale or caliper with zero error is to use the formula: actual reading = main scale + vernier scale − (zero error).

Answer 2

The zero error may be of two types: when the scale is towards numbers greater than zero it is positive; else negative. The method to use a vernier scale or caliper with zero error is to use the formula: actual reading = main scale + vernier scale − (zero error).

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