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प्रश्न
Which of the following measures a small length to high accuracy : metre rule , vernier callipers or screw gauge?
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उत्तर
Screw gauge measures a length to a high accuracy.
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संबंधित प्रश्न
Name the instrument which can accurately measure the following
The internal diameter of the neck of a water bottle
How can the least count of a screw gauge be decreased?
What do you understand by the following term as applied to micrometre screw gauge?
Thimble
What do you understand by the following term as applied to screw gauge?
Positive zero error
What is the zero error of a screw gauge?
The following diagrams (Fig. 5) show the use of a vernier caliper under three different situations. Study the diagrams carefully and note down the vernier readings in each case.
(a) Measuring the diameter of the rod
(b) Measuring Internal diameter of a cavity
(c) Measuring depth of a cavity
A vernier caliper using the scale invented by Galileo.
