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प्रश्न
What do you understand by the term least count of screw?
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उत्तर
Least distance of the screw is defined as the smallest distance moved by its tip when the screw turns through one division marked on it.
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संबंधित प्रश्न
Explain the terms : Pitch .
How are they determined?
While measuring the length of a rod with a vernier callipers, below shows the position of its scales. What is the length of the rod?
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 correction if the negative error is 7 divisions when the least count is 0.01 cm.
The circular scale of a screw gauge has 50 divisions. Its spindle moves by 2 mm on the sleeve, when given four complete rotations calculate
- pitch
- least count
What do you understand by the following term as applied to screw gauge?
Negative zero error
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
The main scale reading while measuring the thickness of a rubber ball using Vernier caliper is 7 cm and the Vernier scale coincidence is 6. Find the radius of the ball.
An instrument that is used to measure the diameter of a cricket ball is ______.
