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What is the order of size of a glaxy?...

What is the order of size of a glaxy?

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JBD PUBLICATION-PHYSICAL WORLD AND MEASUREMENT-EXAMPLE
  1. Is SI system a coherent one?

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  2. Dooverset @ A and A.U. stand fo rthe same length?

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  3. What is the order of size of a glaxy?

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  4. What is the order of magnitude of light year in etre?

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  5. What is the shortest disctance measured indirectly so far?

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  6. How are pitch and least count of a screw gauge related to each other?

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  7. What is the order of mass of the universe?

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  8. What is the smallest mass measured indirectly so far?

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  9. Which type of mass of a body is measured by a physical balance?

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  10. How are the inertial and gravitational mass of a body related to each ...

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  11. What is the order of human life expectancy?

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  12. Give an example of a physical quantity which has neither unit nor dime...

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  13. Can a quantity have units but still be dimensinoless?

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  14. Can a physicl quantity have dimensions but no units?

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  15. Which of the following has same dimensions as heat?Work,torque,surface...

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  16. How is Avogadro's number denoted ?

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  17. Name two physical quantities which have same dimensions as that of lig...

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  18. Does the ratio of same quantity depend upon system of unit used?

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  19. Name a scalar and a ector quantity having same dimensions.

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  20. If a physical quntity is P = (a^3 b^2)/c and the percentage errors in ...

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