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Name any three dimensional constants....

Name any three dimensional constants.

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SL ARORA-Units and Measurements-Exercise
  1. A research worker takes 100 observations in an experiment . If he repe...

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  2. Give two examples of non dimensional veriables.

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  3. Name any three dimensional constants.

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  4. Name any two non dimensional constant.

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  5. Write the dimensional formula of wavelength and frequency of a wave

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  6. If x = at + bt^(2) where x is in meter (m) and t is in hour (hr) t...

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  7. If x = at + bt^(2) where x is in meter (m) and t is in hour (hr) t...

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  8. The number of significant figures in 0.007 is

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  9. State the number of significant figures in 2.67xx10^-24 kg

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  10. How can a systematic error be eliminated ?

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  11. Name the physical quantity used to express the amount of water vapour ...

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  12. Write the number of significant figures in each of the measurement :- ...

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  13. Write the number of significant figures in each of the measurement:- 0...

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  14. Add 8.2 and 10.163 and round off the sum to proper number of significa...

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  15. Give approximate ratio of 1 AU and 1 light year.

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  16. How many kilograms are there in 1 amu ?

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  17. What do you understand by absolute error ?

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  18. Write the dimensional formula of stress

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  19. The dimensional formula of coefficient of viscosity is

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  20. What is meant by the term measurement of a physical quantity? How is t...

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