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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'.
The diameter of a thin wire can be measured by
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?
Who invented vernier callipers?
Up to how many decimal places can a common vernier callipers measure the length in cm?
When does a vernier callipers has the positive error?
Which part of vernier callipers is used to measure the external diameter of a cylinder?
A micrometre screw gauge has a positive zero error of 7 divisions, such that its main scale is marked in 1/2 mm and the circular scale has 100 divisions. The spindle of the screw advances by 1 division complete rotation.
If this screw gauge reading is 9 divisions on the main scale and 67 divisions on the circular scale for the diameter of a thin wire, calculate
- Pitch
- L.C.
- Observed diameter
- Corrected diameter
The level of water in a measuring cylinder is 12.5 ml. When a stone is lowered in it, the volume is 21.0 ml. Find the volume of the stone.
