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प्रश्न
State the formula for calculating the least count of screw.
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उत्तर
Least count of screw
= `"Pitch"/"Number of circular scale divisions"`
E.g. If pitch of screw is 1 mm and there are 100 divisions on the circular scales, then
Least count = `(1 "mm")/100` = 0.01 mm
L.C. = 0.01 mm or 0.001 cm
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संबंधित प्रश्न
Define the least count of vernier callipers. How do you determine it?
When is a vernier Callipers said to be free from zero error?
The final result of the calculation in an experiment is 125,347,200. Express the number in term of significant place when accuracy is between 1 and 1000
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.
When does a vernier callipers has the negative error?
State the correction if the positive error is 7 divisions when the least count is 0.01 cm.
Figure shows a screw gauge in which circular scale has 100 divisions. Calculate the least count and the diameter of a wire.
In the following figure, the pitch of the screw is 1 mm. Calculate:
(i) the least count of screw gauge and
(ii) the reading represented in the figure.
How will you measure the least count of vernier caliper?
