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Define Astronomical unit, light year and...

Define Astronomical unit, light year and parscond. Establish relation between them.

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SL ARORA-Units and Measurements-Exercise
  1. What is meant by the term measurement of a physical quantity? How is t...

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  2. Define light year.

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  3. Define Astronomical unit, light year and parscond. Establish relation ...

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  4. Distinguish between mass and weight.

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  5. Which technique is used for the herd improvement ?

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  6. In what way is the knowledge of the dimensions of a physical quanntit...

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  7. Distinguish between the dimwnsions and unit of a physical quantity?

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  8. Define least count error. What is the value of least count error asso...

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  9. State the principle of homogeneity of dimensions.Test the dimensional ...

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  10. If x =2 at -5 bt^2, where x is in metre and t is in seconds, find the ...

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  11. Differentiate between dimensional and non-dimensional variables.

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  12. Differentiate between dimensional and non-dimensional constants.

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  13. Name any three physical quantites having the same dimensions and also ...

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  14. Dimensional formula of the physical quantity, resistance is

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  15. What are the dimensional formulas of the physical quantity ,- angular ...

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  16. What are the dimensional formulas of the physical quantity ,- pressure

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  17. What are the dimensional formulas of the physical quantity ,- Planck's...

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  18. Thd dimensional formula of pressure is

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  19. What are the dimensiona formulae of the power

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  20. What are the dimensional formula of the density

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