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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
The wavelength of light of a particular colour is 5800 Å.
Express it in metre.
Draw a neat and labelled diagram of a screw gauge.
Name its main parts and state their functions.
The diameter of a thin wire can be measured by
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(i) What is the pitch of the screw gauge?
(ii) What is the least count of the screw gauge?
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
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(ii) The least count and
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- observed diameter
- least count
- corrected diameter.
Name the measuring employed to measure the diameter of a needle.
