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If x = at + bt^(2) where x is in meter...

If `x = at + bt^(2)` where x is in meter (m) and t is in hour (hr) then unit of b will be .

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SL ARORA-Units and Measurements-Exercise
  1. Name any two non dimensional constant.

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

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

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

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  5. The number of significant figures in 0.007 is

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

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  7. How can a systematic error be eliminated ?

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

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

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

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

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

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  13. How many kilograms are there in 1 amu ?

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  14. What do you understand by absolute error ?

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  15. Write the dimensional formula of stress

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  16. The dimensional formula of coefficient of viscosity is

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

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  18. Define light year.

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

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  20. Distinguish between mass and weight.

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