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Write unit of mass in nuclear physics an...

Write unit of mass in nuclear physics and write its unit.

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In nuclear physics mass of atom and nucleus is very small hence unified atomic mass unit (u) is established for expressing mass.
1 unified atomic mass unit (1U) `(1)/(12)`of the mass of carbon - 12 isotope `(""_(6)^(12)C)` including mass of electron `=1.66xx10^(-27)kg`
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KUMAR PRAKASHAN-UNITS AND MEASUREMENT-SECTION -A (QUESTIONS- ANSWERS)
  1. Define Astronomical unit, light year and parsec.

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  2. What is mass? Write effect of external factor on mass.

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  3. Write unit of mass in nuclear physics and write its unit.

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  4. Explain measurement of mass of body.

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  5. What is the range of masses we study in physics ?

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  6. Explain how time was measured in ancient times. Also write note on ces...

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  7. Write ratio of maximum and minimum length in the universe.

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  8. Write ratio of maximum and minimum time observed in universe.

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  9. Write ratio of maximum and minimum mass in universe.

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  10. Explain accuracy and precision in measurement.

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  11. What is accuracy in measurement ? Accuracy depend on which factors ?

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  12. Write difference between Mistake and Error.

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  13. Write type or error in measurement of physical quantity and explain.

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  14. Explain least count and least count error. Write a note on least count...

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  15. What is estimation of error ? Write method for estimation.

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  16. Explain Absolute Error, Relative Error and Percentage Error.

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  17. Write a note on combination of error.

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  18. Explain error of a sum or a difference.

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  19. Write rule for error in result due to multiplication and division

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  20. What is significant number? What is significant digit?

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