Q:

Calculate the half-life time of a radioactive isotope given that the initial count rate was 890 Bq and after 180 min

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2022-04-28
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Calculate the half-life time of a radioactive isotope given that the initial count rate was 890 Bq & after 180 min. the count rate was found to be 750 Bq

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examplegeek
2022-04-28
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t ½  = 0.693 ×  t ÷ ln A0/A

t1/2  = 0.693 × 180 ÷ ln (890 / 750)

t1/2 = 728.84 min

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