Question

What are positive zero error of vernier

Answer 1

Zero error: When zero of main scale doesn't coincides with zero of vernier scale, then the error is said to zero error.When zero of main scale lies towards right side zero of vernier scale without placing any object, then the error is said to be positive zero error and correction is said be negative.When zero of main scale lies towards left side zero of vernier scale without placing any object, then the error is said to be negative zero error and correction is said be positive.Hope this information will clear your doubts about Vernier calliperse.                    

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