Question: 10. The nuclide Bi212 (ThC) decays both by a-emission and B-emission. (a) What are the partial disintegration constants for a-decay and B-decay? (b) What

10. The nuclide Bi212 (ThC) decays both by a-emission and B-emission. (a)

10. The nuclide Bi212 (ThC) decays both by a-emission and B-emission. (a) What are the partial disintegration constants for a-decay and B-decay? (b) What are the half-lives for a-decay alone and for B-decay alone? (c) At what rates will a freshly separated sample containing 10-7 gm of Bi212 emit a-particles? B-particles? (d) What will be the rates after three hours?

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