[" 27.A radioactive isotope has a half life of T years.How long will it take th "],[" 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 10 years. How long will it take for the activity to reduce to 3.125% ?

A radioactive isotope has a half life of 5 yrs. 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 radio active isotope has a half - life of 'T' years. How long will it take the activity to reduce to (a) 3.125% (b) 1% of the original value.

(a) Explain the processes of nuclear fission and nuclear fusion by using the plot of binding energy per nucleon (BE/A) versus the mass number A. (b) A radioactive isotope has a hald -life of 10 years. How long will it take for the activity to reduce to 3.125%.