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Define physical quantities and give a fe...

Define physical quantities and give a few examples.

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CHETANA PUBLICATION-UNITS AND MEASUREMENTS-EXERCISE
  1. Define unit and state the characteristics of a unit.

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

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  3. Define physical quantities and give a few examples.

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

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  5. Define derived quantities and state examples.

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

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

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

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

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

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  11. What is a light year?

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

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

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

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

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

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  17. Find the order of magnitude of the following quantities: Speed of ligh...

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  18. Find the order of magnitude of the following quantities: Acceleration ...

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  19. Find the order of magnitude of the following quantities: Period of ro...

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  20. State the order of magnitude of duration of a day.

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