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A cobalt-60 source having a half-life of...

A cobalt-60 source having a half-life of 5.27 years is calibrated and found to have an activity of `3.50 xx 10^5`Bq.The uncertainty in the calibration is `+- 2%`.Calculate the length of time.in days, after the calibration has been made, for the stated activity of `3.50 xx 10^5 Bq` to have a maximum possible error of 10%.

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MODERN PUBLICATION-Radioactivity-EXERCISE
  1. A cobalt-60 source having a half-life of 5.27 years is calibrated and ...

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  2. What is meant by radioactive substance?

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  3. What is radioactivity ? State laws of radioactive decay and deduce an ...

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  4. State the law of radioactive decay. Show that radioactive decay is exp...

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  5. State the law of radioactive decay, If N0 is the number of radioactive...

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  6. Show that decay rate R of a sample of a radio-nuclide is related to th...

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  7. State the law of radioactive decay and hence derive the relation N=N0e...

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  8. State the law of radioactive decay and hence derive the relation N=N0e...

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  9. Sketch a graph to illustrate radioactive decay.

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  10. What is meant by half life of a radioactive substance? Derive expressi...

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  11. What is radioactivity ? State laws of radioactive decay and deduce an ...

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  12. An isotope (92)U^(238) decays successively to form (90)Th^(234),(91)P...

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  13. Define decay constant of a radioactive sample. Which of the following ...

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  14. Define decay constant of a radioactive sample. Which of the following ...

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  15. Define decay constant of a radioactive sample. Which of the following ...

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  16. Define decay constant of a radioactive sample. Which of the following ...

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  17. The rate constant and half life of a first order reaction are related...

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  18. State the law of radioactive decay. Show that radioactive decay is exp...

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  19. State the law of radioactive decay. Show that radioactive decay is exp...

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  20. Define half life of a radioactive substance.

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  21. What is radioactivity ? State laws of radioactive decay and deduce an ...

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