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प्रश्न
What do you understand by the following term as applied to screw gauge?
Negative zero error
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उत्तर
Negative zero error: If the zero of the circular scale is above the reference line of the main scale, then the screw gauge is said to have negative zero error and correction is positive.
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संबंधित प्रश्न
What do you mean by zero error of a screw gauge? How is it accounted for?
A screw gauge has a least count 0.001 cm and zero error +0.007 cm. Draw a neat diagram to represent it.
A boy uses a vernier callipers to measure the thickness of his pencil. He measures it to be 1.4 mm. If the zero error of vernier callipers is +0.02 cm, what is the correct thickness of the pencil?
Is it possible to increase the degree of accuracy by mathematical manipulations? Support your answer by an example.
State the formula for determining least count for a vernier callipers.
When does a vernier callipers has the positive error?
What do you understand by the term least count of screw?
State the formula for calculating the pitch of screw.
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.
