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Explain the need for making measurement....

Explain the need for making measurement.

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    CHETANA PUBLICATION|Exercise EXERCISE|20 Videos

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CHETANA PUBLICATION-UNITS AND MEASUREMENTS-EXERCISE
  1. Explain the need for making measurement.

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  2. What is the need for measurement of a physical quantity?

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  3. Define physical quantity and give a few examples.

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  4. Define units and state the factors to be taken into consideration whil...

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  5. Define unit and state the characteristics of a unit.

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  6. Explain system of units and state and some system of units.

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  7. Define physical quantities and give a few examples.

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  8. Define fundamental quantity and state them with SI units.

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  9. Define derived quantities and state examples.

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  10. State the relation betwwen radian and degree and vice-versa.

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  11. What are the conventions to be followed while writing S.I. units?

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  12. What is the difference between mN, Nm and nm?

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  13. What do A^@ and AU stand for?

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  14. Does the magnitude of a physical quantity depend upon the system of un...

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  15. What is a light year?

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  16. Star A is father than star B. Which star will have a large parallax an...

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  17. A large ball 2 m in radius is made up of a rope of square cross sectio...

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  18. Nuclear radius R has a dependemce on the mass number (A) as R=1.3 xx 1...

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  19. Find the order of magnitude of the following quantities: Universal gra...

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  20. Find the order of magnitude of the following quantities: Mass of elect...

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