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Initial ratio of active nuclei in two different samples is 2:3. Their half lives are 2 hr and 3 hr respectively. Ratio of their activities at the end of 12 hr is ?

Initial ratio of active nuclei in two different samples is 2:3. Their half lives are 2 hr and 3 hr respectively. Ratio of their activities at the end of 12 hr is ?

Grade:12

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