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In a measurement both positive and negat...

In a measurement both positive and negative errors are found to occur with equal probability. The type of error responsible for this is

A

Proportional errors

B

Random error

C

determinate errors

D

systematic errors

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The correct Answer is:
B
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AAKASH SERIES-UNITS AND MEASUREMENTS-EXERCISE -1 A
  1. Zero errors of an instrument introduces

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  2. Which of the following is systematic error

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  3. In a measurement both positive and negative errors are found to occur ...

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

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

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

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

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  8. The arithmetic mean of several measurements is called

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  9. Zero errors of measuring instruments are called

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

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

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  12. Of the following the dimensions error is

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

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

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

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

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

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  18. The set of quantities which can form a group of fundamental quantities...

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  19. Boltzman constant and Plank's constant differ in the dimensions of

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  20. The pair of physical quantities having the same dimensions is

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