In a radioactive sample, the fraction of initial number of redioactive nuclie, which remains undecayed after n mean lives is

In a sample of radioactive material, what fraction of initial number of active nuclei will remain undistintegrated after half of a half0life of the sample?

In a sample of radioactive material, what fraction of initial number of active nuclei will remain undistintegrated after half of a half0life of the sample?

In a sample of radioactive material , what fraction of the initial number of active nuclei will remain undisintegrated after half of the half life of the sample ?

In a sample of radioactive material , what fraction of the initial number of active nuclei will remain undisintegrated after half of the half life of the sample ?

In a sample of a radioactive substance what fraction of the initial number of nuclei will remain undecayed after a time t =T/2 where T=half-life of radioactive substance.

The fraction of the initial number of radioactive nuclei which remain undecayed after half of a half-life of the radioactive sample is

The fraction of the initial number of radioactive nuclei which remain undercayed after half of a half-life of the radioactive sample is

The fraction of the radioactive sample will remain undecayed after 4 half-life periods is

In a sample of a radioactive substance, what fraction of the initial nuceli will remain undecayed after a time t=T//2 , where T=half -life of radioactive substance?