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प्रश्न
State one use of a screw gauge.
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उत्तर
A screw gauge is used for measuring diameter of circular objects mostly wires with an accuracy of 0.001 cm.
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संबंधित प्रश्न
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.
Define metre in terms of the wavelength of light.
What do you understand by the term zero error?
State the correction if the positive error is 7 divisions when the least count is 0.01 cm.
What do you understand by the following term as applied to screw gauge?
Zero error
Find the volume of a book of length 25 cm, breadth 18 cm and height 2 cm in m3.
State whether the following statement is true or false by writing T/F against it.
The metre scale, vernier calipers, and screw gauge are in decreasing order of least count.
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
An instrument that is used to measure the diameter of a cricket ball is ______.
