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प्रश्न
How can the least count of a screw gauge be decreased?
टीपा लिहा
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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Vernier Callipers
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संबंधित प्रश्न
The wavelength of light of a particular colour is 5800 Å.
Express it in nanometre.
Name the part of the vernier callipers which is used to measure the following
Internal diameter of a mug
A screw gauge has a least count 0.001 cm and zero error +0.007 cm. Draw a neat diagram to represent it.
In a vernier callipers, 19 main scale divisions coincide with 20 vernier scale divisions. If the main scale has 20 divisions in a centimetre, calculate
- pitch
- L.C. of vernier callipers.
Which part of vernier callipers is used to measure the internal length of a hollow cylinder?
Draw a neat labeled diagram of vernier calipers.
How will you measure the diameter of a wire using a screw gauge?
Why is the screw gauge so named?
We can find the diameter of a wire by wrapping it around a pencil and measuring the length of turns with the help of a meter scale. Is this approach more accurate than determining the diameter of the wire with the help of a screw gauge?
What is meant by zero error of a vernier caliper? How is it determined? Draw neat diagrams to explain it. How is it taken into account to get the correct measurement?
