Half life period of `""_(53)I""^(125)` is 60 days. Percentage of radioactivity preent after 180 days is

The half-life period of ""_(53)I^(125) is 60 days. What percent of radioactivity would be present after 240 days ?

The half life period of ._(53)I^(125) is 60 days. What % of radioactivity would be present after 240 days.

The half - life period of ""_(53)I^(125) is 60 days. The radioactivity after 180 days will be

The half- life period of overset(125)underset(53) I is 60 days. What percentage of the original radioactivity would be present after 180 days ?

Half-life of iodine (atomic mass 125) is 60 days. Calculate the present of radioactivity remain after 120 days.

The half life period of a radioactive element is 90 minutes. What percentage of radioactive element will be present after 6 hours of decomposition ?