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what is various sources of occurrence of errors while taking measuremets .?

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BINA LIBRARY-MEASUREMENT-EXERCISE
  1. what are the uses of dimensional formula?

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  2. write the limitations of dimesional analysis .

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  3. what is various sources of occurrence of errors while taking measureme...

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  4. what do you mean by absolute error?how do error combine in multiplicat...

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  5. what does it mean by precision of measurement and accuracy of measurem...

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  6. Obtain the dimensional equation of the following quantitites : a)velo...

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  7. How will you estimate the number of air molecules in your room ?

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  8. which of the following devices is more precise ? a) a vernier callip...

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  9. which of the following measurements is more accurate - 3.0 m and 3.00...

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  10. can a quantity have unit , but no dimension ?

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  11. can a quantity have dimension , but no unit ?

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  12. Name a pair of physical qauantities having same dimensions .

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  13. The length , breadth , and thickness of a sheet are respectively 4.234...

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  14. The diameter of a circle is 2.486 m . Calculate its area with due rega...

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  15. The radius of sphere is measured with an error of 2% what will be the ...

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  16. The radius of a sphere is measured to be (2.1±0.5)cm . Calculate its s...

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  17. A physical quantity X is given by the relation X = (a^2b^3)/(c sqrt...

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  18. The dimension of pressure is

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  19. The dimensional formula for universal gravitational constant is

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  20. The dimension of impulse is

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