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प्रश्न
What is the need for measuring length with vernier callipers?
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उत्तर
For measuring the exact length with greater accuracy, especially when we are measuring a very small length, we use an appliance vernier calliper. A vernier calliper can measure accurately up to 1/100 the part of a centimetre.
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संबंधित प्रश्न
The pitch of a screw gauge is 0.5 mm and the head scale is divided in 100 parts. What is the least count of a screw gauge?
Why is the metre length in terms of the wavelength of light considered more accurate?
In figure for vernier callipers, calculate the length recorded.
The least count of a vernier callipers is 0.0025 cm and it has an error of + 0.0125 cm. While measuring the length of a cylinder, the reading on the main scale is 7.55 cm, and the 12th vernier scale division coincides with the main scale. Calculate the corrected length.
State the formula for calculating length if:
The reading of the main scale is known and the number of vernier scale divisions coinciding with the main scale is known.
When does a vernier callipers has the negative error?
How will you measure the least count of vernier caliper?
A vernier caliper using the scale invented by Galileo.
