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प्रश्न
When does a vernier callipers has the negative error?
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उत्तर
Negative Error: If the zero of the vernier scale is on the left-hand side of zero of the main scale, the error is said to be negative and the correction is said to be positive.
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संबंधित प्रश्न
Define the least count of vernier callipers. How do you determine it?
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?
A screw gauge has 50 divisions on its circular scale and its screw moves by 1 mm on turning it by two revolutions. When the flat end of the screw is in contact with the stud, the zero of the circular scale lies below the base line and 4th division of the circular scale is in line with the base line. Find
(i) The pitch,
(ii) The least count and
(iii) The zero error of the screw gauge
A pendulum completes 2 oscillations in 5 s. What is its time period? If g = 9.8 m s-2, find its length.
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
What do you understand by the following term as applied to screw gauge?
Zero error
How the backlash error is avoided?
