The half life of C6 14 is 5700 years.What does it mean?Two radioactive nuclei X and Y initially contain an equal no. of atoms.Their half lives are 1hr and 2hr.Calculate ratio of their rates of disintegrations after 2hours

Dear Student ,
It means that the radio isotope will decay to half of its initial in 5700 years .
Here is a link for the second part which will help you to give answer .
https://www.meritnation.com/ask-answer/question/the-radioactive-nuclei-x-and-y-initially-contain-equal-numbe/nuclei/6883451
Regards

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