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Question
Name the instrument which has the least count
0.1 mm
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Solution
Vernier callipers
RELATED QUESTIONS
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The least count of a vernier callipers is 0.0025 cm and it has an error of + 0.0125 cm. While measuring the length of a cylinder, the reading on the main scale is 7.55 cm, and the 12th vernier scale division coincides with the main scale. Calculate the corrected length.
Who invented vernier callipers?
What is the need for measuring length with vernier callipers?
For what range of measurement is micrometre screw gauge used?
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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
