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Which of the following is not the unit o...

Which of the following is not the unit of time?
a) Light year b) Astronomical unit c) Parsec d) all of the above

A

Light year

B

Astronomical unit

C

Parsec

D

all of the above

Text Solution

Verified by Experts

The correct Answer is:
D
All units are uned to measure distance.
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PREMIERS PUBLISHERS-NATURE OF PHYSICAL WORLD AND MEASUREMENT-OTHER IMPORTANT QUESTIONS & ANSWERS (I. Multiple Choice Questions.)
  1. From the following units, select the odd man out.

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  2. If "1 g cm s"^(-1)=x newton- second, then the number x is equal to:

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  3. Which of the following is not the unit of time? a) Light year b) Ast...

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  4. The respective number of significant figures for the number 13.013, 0....

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  5. A student measured the length of a wire and wrote it as 2.50 can which...

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  6. If the error in the measurement of radius of a sphere is 3% then the e...

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  7. The diameter of the steel ball is measured using a vernier caliper whi...

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  8. If A=2.331cm and C=2.1cm, then A+C=……..cm.

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  9. Match the following units given in the column I with dimesnions in the...

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

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

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

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  13. Gross error can be eliminated by :

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

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

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

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

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

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

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  20. Which of the following digits are significant?

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