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Define precision and accuracy....

Define precision and accuracy.

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Explore conceptually related problems

Differentiate between precision and accuracy with an example.

Distinguish between the terms precision and accuracy of a measurement.

Precision And Accuracy|Significant Figures|Scientific Notation|Summary

If the position of the electron is measured within an accuracy of +- 0.002 nm . Calculate the uncertainty in the momentum of the electron. Suppose the momentum of the electron is h//4pi_(m)xx0.05 nm , is there any problem in defining this value.

If the position of the electron is measured within an accuracy of +- 0.02 nm , calculate the uncertainty in the momentum of the electron. If suppose the momentum of the electron is h/(4pi xx 0.05 nm) is there any problem in defining this value?

If the position of the electron is measured within an accuracy of +- 0.02 nm , calculate the uncertainty in the momentum of the electron. If suppose the momentum of the electron is h/(4pi xx 0.05 nm) is there any problem in defining this value.

Time for 20 oscillations of a pendulum is measured as t_1=39.6s , t_2=39.9 and t_3=39.5s . What is the precision in the measurements ? What is the accuracy of the measurement ?

Time for 20 oscillations of a pendulum is measured as t_1 = 39.6 s , t_2 = 39.9 s , t_3 = 39.5. What is the precision in the measurements ? What is the accuracy of the measurement ?

What is meant by precision in measurement ?

PRADEEP-SOME BASIC CONCEPTS OF CHEMISTRY-ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
  1. Give three main points of difference between a compound and a mixture.

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  2. What does symbol SI signify ? Name the seven basic SI units ?

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  3. Define precision and accuracy.

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  4. What do you mean by significant figures?

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  5. Under what conditions the zeros in a number are significant ?

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  6. What do you understand by unit conversion factor ? How does it help to...

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  7. After rounding off 1.235 and 1.225, we will have their answer respecti...

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  8. Give one experiment involving a chemical reaction to prove that the la...

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  9. Copper oxide obtained by heating copper carbonate or copper nitrate co...

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  10. N and O combine with H to form NH(3) and H(2)O and they combine with e...

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  11. Define Gay Lussac's law of gaseous volume. Explain with one suitable e...

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  12. What are the postulates of Modern Atomic Theory?

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  13. Which isotope is used as a reference on the atomic scale ? What is one...

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  14. Why atomic mass is an average value ? Explain with suitable example.

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  15. How is mole related to (i) mass, (ii) volume and (iii) number of mol...

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  16. What is the SI definition of mole?

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  17. Comment on the statement : '1 mole of hydrogen'

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  18. What is the difference between (i)Normality and Molarity ? (ii) Molari...

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  19. Define Empirical formula and Molecular formula. What is the relationsh...

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  20. Write the empirical formulae of the following : (i) N(2)O(4) (ii)C(6...

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