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An isotope (92)U^(238) decays successive...

An isotope `_(92)U^(238)` decays successively to form `_(90)Th^(234),_(91)Pa^(234),_(92)U^(234),_(90)Th^(230)` and `_(88)Ra^(226)`.What are the radiation emitted in these five steps?

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Alpha decay of ._(92)^(238)U forms ._(90)^(234)Th . What kind of decay from ._(90)^(234)Th produces ._(84)^(234)Ac ? a) alpha b) beta c) beta^(+) (positron) d) gamma -emission

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MODERN PUBLICATION-Radioactivity-EXERCISE
  1. An isotope (92)U^(238) decays successively to form (90)Th^(234),(91)P...

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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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