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A drug tagged with 9943Tc (half-life = 6.05 h) is prepared for a patient. The original activity of the sample was 1.20 Bq.

(a) Calculate the time constant for this isotope.

(b) Calculate the activity of the sample after it has sat on the shelf for 2.40 h. Note that your value should be in the same units that you will select below.

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  • Category:- Physics
  • Reference No.:- M91731560

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