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In a measurement, a choice of change of ...

In a measurement, a choice of change of different units

A

does not change the number of significant figures

B

increase the number of significant figures

C

decrease the number of significant figures

D

may increase or may decrease the number of significant figures

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The correct Answer is:
A
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AAKASH SERIES-UNITS AND MEASUREMENT-Exercise-I
  1. By improving experimental techniques, selecting better instruments and...

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  2. Unpredicatable fluctuations in temperature, voltage supply, mechanical...

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  3. In a measurement, a choice of change of different units

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  4. Zero errors of an instrument introduces

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  5. Which of the following is systematic error

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  6. (A) : Increasing the number of observations minimizes random errors. ...

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  7. By repeating the same measurement several times, the errors that can b...

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  8. In an experiment if the measured values of a physical quantity are hig...

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  9. In an experiment if the measured values of a physical quantity have a ...

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  10. The measured value of physical quantity expressed to infinite number o...

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  11. The arithmetic mean of several measurements is called

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  12. Zero errors of measuring instruments are called

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  13. The type of errors that can never be completely eliminated are

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  14. Which of the following error is not systematic errors?

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  15. Of the following the dimensionless error is

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  16. An experimenter measured the diameter of a wire without noting zero er...

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  17. Among the following the error that can be eliminated is

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  18. Which of the following time measuring devices is most precise ?

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  19. In determing viscosity (eta) by poiseuille's method for formula used e...

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  20. The set of quantities which cannot form a group of fundamental qualnti...

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