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?

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.

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 ?

Half life of a radioactive sample is 2x years. What fraction of this sample will remain undecayed after x years?

Half life of a radioactive sample is 10days. What fraction of this sample will remain undecayed after 100days?

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

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