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प्रश्न
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संबंधित प्रश्न
Draw a neat and labelled diagram of a vernier callipers. Name its main parts and state their functions.
Draw a neat and labelled diagram of a screw gauge.
Name its main parts and state their functions.
Name the instrument which can accurately measure the following
The internal diameter of the neck of a water bottle
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?
How can the least count of a screw gauge be decreased?
When does a vernier callipers has the negative error?
What do you understand by the following term as applied to screw gauge?
Zero error
How do you account for negative zero error, for calculating the correct diameter of wires?
What is the least count in the case of the following instrument?
Stopwatch
