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Surendra Parihar posted an Question
January 13, 2021 • 15:20 pm 30 points
  • IIT JAM
  • Physics (PH)

Example: find the mean lifetime of cobalt if its activity decreases by 4% in 1 hour?

Example: Find the mean lifetime of Cobalt if its activity decreases by 4% in 1 hour?

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    Surendra parihar

    I fail to understand this example , please help me

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