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प्रश्न
When does a vernier callipers has the negative error?
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उत्तर
Negative Error: If the zero of the vernier scale is on the left-hand side of zero of the main scale, the error is said to be negative and the correction is said to be positive.

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संबंधित प्रश्न
What is meant by zero error of vernier callipers ? How is it determined? Draw neat diagrams to explain it. How is it taken in account to get the correct measurement?
Name the part of the vernier callipers which is used to measure the following
External diameter of a tube
The main scale of vernier callipers has 10 divisions in a centimetre and 10 vernier scale divisions coincide with 9 main scale divisions. Calculate
- pitch
- L.C. of vernier callipers.
Figure shows the position of vernier scale while measuring the external length of a wooden cylinder.
- What is the length recorded by the main scale?

- Which reading of vernier scale coincides with the main scale?
- Calculate the length.
State whether the following statement is true or false by writing T/F against it.
The metre scale, vernier calipers, and screw gauge are in decreasing order of least count.
A vernier caliper using the scale invented by Galileo.
