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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
Describe in steps, how would you use a vernier callipers to measure the length of a small rod?
State the purpose of ratchet in a screw gauge.
When a screw gauge with a least count of 0.01 mm is used to measure the diameter of a wire, the reading on the sleeve is found to be 1 mm and the reading on the thimble is found to be 27 divisions.
(i) What is the diameter of the wire in cm?
(ii) If the zero error is +0.005 cm, what is the correct diameter?
State the formula for calculating length if:
Number of vernier scale division coinciding with the main scale and number of division of main scale on the left-hand side of zero of vernier scale is known.
Which part of vernier callipers is used to measure the internal length of a hollow cylinder?
State the formula for calculating the least count of screw.
How do you account for positive zero error for calculating the correct diameter of wires?
What is the least count in the case of the following instrument?
Metre scale
What is the zero error of a screw gauge?
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 ______.
