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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
The wavelength of light of a particular colour is 5800 Å.
Express it in metre.
When is a vernier Callipers said to be free from zero error?
Describe in steps, how would you use a vernier callipers to measure the length of a small rod?
Explain the terms : Least count of a screw gauge.
How are they determined?
A vernier callipers has its main scale graduated in mm and 10 divisions on its vernier scale are equal in length to 9 mm. When the two jaws are in contact, the zero of the vernier scale is ahead of the zero of the main scale and the 3rd division of the vernier
scale coincides with a main scale division.
Find : (i) The least count and
(ii) The zero error of the vernier callipers.
Name the measuring employed to measure the diameter of a needle.
What is the least count in the case of the following instrument?
Stopwatch
What is meant by the pitch of a screw gauge? The pitch of a screw is 1 mm.
Find the reading of the instrument shown in the following figure.
An instrument that is used to measure the diameter of a cricket ball is ______.
