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प्रश्न
A screw gauge has a least count 0.001 cm and zero error +0.007 cm. Draw a neat diagram to represent it.
उत्तर
Diagram of a screw gauge with L.C. 0.001 cm and zero error +0.007 cm.
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संबंधित प्रश्न
The least count of a vernier calipers is :
The pitch of a screw gauge is 1 mm and the circular scale has 100 divisions. In measurement of the diameter of a wire, the main scale reads 2 mm and 45th mark on the circular scale coincides with the base line. Find
(i) The least count and
(ii) The diameter of the wire.
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Figure shows the position of vernier scale while measuring the external length of a wooden cylinder.
- What is the length recorded by the main scale?
- Which reading of vernier scale coincides with the main scale?
- Calculate the length.
State the formula for determining least count for a vernier callipers.
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If the number of divisions on the main scale are 20 to a centimetre and circular scale has 50 divisions, calculate
- pitch
- observed diameter.
- least count
- corrected diameter.
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What is the least count in the case of the following instrument?
Thermometer
An instrument that is used to measure the diameter of a cricket ball is ______.
