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The unit of permittivity of free space, ...

The unit of permittivity of free space, `epsilon_0` is

A

Coulumb² / (Newton − metre)²

B

Coulumb / Newton − metre

C

Newton − metre² / Coulumb²

D

Coulumb² / Newton − metre²

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The correct Answer is:
D
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PREMIERS PUBLISHERS-NATURE OF PHYSICAL WORLD AND MEASUREMENT-OTHER IMPORTANT QUESTIONS & ANSWERS (I. Multiple Choice Questions.)
  1. The sum of the numbers 436.32, 227.2 and 0.301 in appropriate signific...

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  2. Gross error can be eliminated by :

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  3. The unit of permittivity of free space, epsilon0 is

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  4. High precision instruments are used to eliminate …………….. Error.

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  5. Assertion : The length of a cylinder is 23.8 cm. In this measurement t...

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  6. Round off to the number 12.653 upto 3 digits:

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  7. If f=x^(2), then the relative error in f is :

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  8. The length and breadth of a rectangle are 6.01 m and 12 m. Taking the ...

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  9. Which of the following digits are significant?

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  10. Column I gives three physical quantities. Select the appropriate units...

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  11. The dimensional formula for relative density is :

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  12. The dimensions of Hubble's constant are :

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  13. The dimensional formula of Planck's constand h is

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  14. Match the physical quantities given in column I with dimensions given ...

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  15. Select the odd man out from the following parameters.

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  16. Dimensions of impulse are :

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  17. Of the following …………….. Has dimensions.

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  18. ………………….. Have the same dimensional formula.

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  19. Which of the following is dimensional constant?

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  20. A wire has a mass 0.3pm 0.003g radius 0.5pm0.005mm and length 6pm 0.06...

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