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प्रश्न
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उत्तर
In this case, the zero error is positive
Least count of screw gauge = 0.01 mm
Thus, zero error = 0 + 4 X L.C. = 0.04 mm
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संबंधित प्रश्न
A vernier callipers has a zero error of + 0.06 cm. Draw a neat labelled diagram to represent it.
Name the two scales of a vernier callipers and explain how it is used to measure length correct up to 0.01 cm.
Which of the following measures a small length to high accuracy : metre rule , vernier callipers or screw gauge?
Name the instrument which has the least count
0.1 mm
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.
The circular scale of a screw gauge has 100 divisions. Its spindle moves forward by 2.5 mm when given five complete turns. Calculate
- pitch
- least count of the screw gauge
What do you understand by the following term as applied to micrometre screw gauge?
Baseline
What is the least count in the case of the following instrument?
Thermometer
Define the least count of an instrument.
