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The energy density and pressure have...

The energy density and pressure have

A

same dimensions

B

Different dimensions

C

No dimensions

D

None

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-UNITS AND MEASUREMENT-Exercise-I
  1. Dimensional formula for angular momentum is

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  2. The physical quantity that has no dimensions is

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  3. The energy density and pressure have

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  4. The dimensional formula ML^(2) T^(-2) represents

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  5. The dimensional formula for torque is

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  6. The dimensional formula for angular velocity is

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  7. Solar constant and Stefan's constant have same dimensions in

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  8. Which of the following is the most precise divice for measuring length

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  9. For example , the true value of a certain length is near 3.678 cm. In ...

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  10. The errors due to imperfect design or calibration of the measuring ins...

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  11. For example, if you , by habit, always hold your head a bit too far to...

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  12. By improving experimental techniques, selecting better instruments and...

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

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

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  15. Zero errors of an instrument introduces

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  16. Which of the following is systematic error

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

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

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

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

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