Nitish posted an Question
December 29, 2020 • 23:22 pm 30 points
  • IIT JAM
  • Geology (GG)

1 in a rock sample, the values of ( 87 sr/ 86 sr) present and (87 rb/ 86 sr) present are 0.7125 and 0.2, respectively. the decay constant of 87 rb is 1.42,10-11

1 In a rock sample, the values of ( 87 Sr/ 86 Sr) present and (87 Rb/ 86 Sr) present are 0.7125 and 0.2, respectively. The decay constant of 87 Rb is 1.42,10-11 year1, and time before present (t) is 1000 million years.calculate the half life. 2 Caleulata

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    Saurabh 1 Best Answer

    Please find solution below...

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    Dear nitish kindly mark my answer if it is correct.

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