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प्रश्न
Name the measuring employed to measure the diameter of a needle.
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उत्तर
Measuring employed to measure the following
The diameter of a needle = Screw Gauge
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संबंधित प्रश्न
Define the term 'Vernier constant'.
Draw a neat and labelled diagram of a vernier callipers. Name its main parts and state their functions.
Name the part of the vernier callipers which is used to measure the following
Thickness of a pencil.
Explain the term least count of a screw gauge. How are they determined?
State whether the following statement is true or false by writing T/F against it.
The least count of a screw gauge can be lowered by increasing the number of divisions on its thimble.
What is meant by the pitch of a screw gauge? The pitch of a screw is 1 mm.
Find the reading of the instrument shown in the following figure.

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 ______.
In a vernier calipers, (N + 1) divisions of vernier scale coincide with N divisions of main scale. If 1 MSD represents 0.1 mm, the vernier constant (in cm) is ______.
