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Consider an alpha- particle just in con...

Consider an `alpha-` particle just in contact with a `._(92)U^(238)` nucleus. Calculate the coulombic repulsion energy (i.e., the height fo coulombic barrier between `U^(238)` and `alpha-` particle.)Assume that the distance between them is equal to the sum of their radii.

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OP TANDON-RADIOACTIVITY AND NUCLEAR TRANSFORMATION -Problem Practices
  1. Half life of .^(24)Na is 14.8 hours. In what period of time will a sam...

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  2. A beta-particle emitter has a half life of 60.6 min. At any instant of...

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  3. Consider an alpha- particle just in contact with a .(92)U^(238) nucle...

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  4. The acitivity of a certain sample of raidoactive element 'A' decreases...

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  5. The half life of .(92)^(238)U is 4.5 xx 10^(9) years. Uranium emits an...

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  6. 32 mg of pure .(94)^(238)PuO(2) has an activity of 6.4 xx 10^(7) sec^(...

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  7. A radioactive isotope decays as: .(Z)^(M)A to .(Z - 2)^(M - 4)B to ....

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  8. An analysis of the rock shows that the relative number of Sr^(87) and ...

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  9. Hydrolysis of ester was studied by isotopic labelling method. Write do...

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  10. Arrange the following species in decreasing order of chemical reactivi...

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  11. The half life of .^(212)Pb is 10.6 hour. It undergoes decay to its dau...

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  12. Radioactive elements is spread over a room, its half life is 30 day, I...

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  13. Calculate the energy released in joules and MeV in the following nucle...

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  14. Radiactive element due to accident in research laboratory gets embedde...

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  15. Radium has a half life 1600 years and its daughter elements radon has ...

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  16. Calculate the radius and density of .(92)^(235)U

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  17. .(92)^(235)U decays with emission of alpha and beta- particles to form...

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  18. The half life of radium is 1600 years. After how much time, (1)/(16)th...

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  19. The half life of polonium is 140 days. In what time will 15 g of polon...

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  20. The activity of a radioactive isotope falls to 12.5% in 90 days. Compu...

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