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Assertion : SI system of units is a cohe...

Assertion : SI system of units is a coherent system of units.
Reason : In this system, all the derived units can be easily obtained from basic and supplementary units.

A

Assertion is true and reason is false

B

Assertion is false and reason is true.

C

Assertion is true and reason is the correct explanation of assertion

D

Assertion is true and reason is true but not the correct explanation of assertion.

Text Solution

Verified by Experts

The correct Answer is:
C
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PREMIERS PUBLISHERS-NATURE OF PHYSICAL WORLD AND MEASUREMENT-OTHER IMPORTANT QUESTIONS & ANSWERS (I. Multiple Choice Questions.)
  1. Match the following units given in the column I with dimesnions in the...

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  2. The least count of stop watch is 0.5s. The time of 40 oscillation of t...

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  3. Assertion : SI system of units is a coherent system of units. Reason...

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  4. The sum of the numbers 436.32, 227.2 and 0.301 in appropriate signific...

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  5. Gross error can be eliminated by :

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  6. A box is pulled with a force of 25 N to produce a displacement of 15 m...

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

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

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

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

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

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  12. Which of the following digits are significant?

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

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  14. The dimensional formula for relative density is :

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  15. The dimensions of Hubble's constant are :

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

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

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

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  19. Dimensions of impulse are :

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  20. Of the following …………….. Has dimensions.

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