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प्रश्न
How can the least count of a screw gauge be decreased?
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उत्तर
The least count of a screw gauge can be decreased by
- Decreasing the pitch and
- Increasing the total number of divisions on the circular scale.
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संबंधित प्रश्न
When is a vernier Callipers said to be free from zero error?
Draw a neat and labelled diagram of a screw gauge.
Name its main parts and state their functions.
What do you mean by zero error of a screw gauge? How is it accounted for?
How the backlash error is avoided?
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.
State whether the following statement is true or false by writing T/F against it.
A metre scale can measure a length of 6.346 cm.
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
