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प्रश्न
What do you understand by the term zero error?
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उत्तर
A vernier callipers is said to have a zero error when zero of the main scale does not coincide with zero of the vernier scale.
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संबंधित प्रश्न
The least count of a vernier calipers is :
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?
The main scale of vernier callipers has 10 divisions in a centimetre and 10 vernier scale divisions coincide with 9 main scale divisions. Calculate
- pitch
- L.C. of vernier callipers.
When does a vernier callipers has the positive error?
State the correction if the positive error is 7 divisions when the least count is 0.01 cm.
The circular scale of a screw gauge has 100 divisions. Its spindle moves forward by 2.5 mm when given five complete turns. Calculate
- pitch
- least count of the screw gauge
State the formula for calculating the pitch of screw.
Name the measuring employed to measure the diameter of a pencil.
A Vernier calliper reads a main scale reading of 2.3 cm and the 5th division of the Vernier scale coincides with a main scale division. If the least count is 0.01 cm, what is the actual reading?
