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प्रश्न
Who invented vernier callipers?
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उत्तर
Vernier callipers were invented by Pierre Vernier.
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संबंधित प्रश्न
Describe in steps, how would you use a vernier callipers to measure the length of a small rod?
Explain the terms : Least count of a screw gauge.
How are they determined?
A boy uses a vernier callipers to measure the thickness of his pencil. He measures it to be 1.4 mm. If the zero error of vernier callipers is +0.02 cm, what is the correct thickness of the pencil?
What do you understand by the following term as applied to micrometre screw gauge?
Thimble
What do you understand by the term least count of screw?
State the formula for calculating the least count of screw.
Consider the following case where the zero of vernier scale and the zero of the main scale are clearly seen. If L.C. of the vernier calipers is 0.01 cm, write the zero error and zero correction of the following.
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.
How will you find the Zero Error of Vernier Caliper? Explain.
