Question

the half life period of I is 60 days.the radioactivity after 180 days will be 12.5% or not?​

Answer 1

as the half life of I is180 days the radioactivity after 60 days will be 50% then after120 days it would be 25% and finally after 180 days the radioactivity would be12.5%

Answer 2

Answer:

yes. the radio activity after thrice the half life will be 12.5%.

it can be given by 100/(2^t/h)%.

where t is given time and h is half life.

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