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प्रश्न
The final result of the calculation in an experiment is 125,347,200. Express the number in term of significant place when accuracy is between 1 and 100
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उत्तर
Final result of the calculation in an experiment = 125,347,200
When accuracy lies between 1 and 100, then the final result may be written as 1.25 × 108.
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संबंधित प्रश्न
Define the term 'Vernier constant'.
State three uses of the vernier callipers.
The pitch of a screw gauge is 1 mm and the circular scale has 100 divisions. In measurement of the diameter of a wire, the main scale reads 2 mm and 45th mark on the circular scale coincides with the base line. Find
(i) The least count and
(ii) The diameter of the wire.
Is it possible to increase the degree of accuracy by mathematical manipulations? Support your answer by an example.
Figure shows the position of vernier scale while measuring the external length of a wooden cylinder.
- What is the length recorded by the main scale?
- Which reading of vernier scale coincides with the main scale?
- Calculate the length.
What do you understand by the following term as applied to micrometre screw gauge?
Sleeve cylinder
State the formula for calculating the least count of screw.
A measuring cylinder is filled with water up to a level of 30 ml. A solid body is immersed in it so that the level of water rises to 37 ml. Now the solid body is tied with a cork and then immersed in water so that the water level rises to 40 ml. Find the volume of the solid body and the cork.
Least count of a vernier caliper is ______ cm.
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?
