A radioactive isotope has a half life of 5 yrs. How long will it take the activity to reduce to `3.125%`?

A radioactive isotope has a half life of T years. How long will it take the activity to reduce to 3.125% .

Distinguish between isotopes and isobars. Give one example for each of the species. A radioactive isotope has half life of 5 years. How long will it take the activity to reduce to 3.125%.

A radioactive isotope has a half-life of T years. How long will it take the activity to reduce to- 3.125%

A radioactive isotope has a half life of T years : How long will it take the activity to reduce to 3.125%

A radio active isotope has a half-life of T years. How long will it take the activity to reduce to 3.125%

A radioactive isotope has a half-life of T years. How long will it take the activity o reduce to 3.125% its original value?