The half-life of a certain radioactive isotope is `32 h`.What fraction of a sample would ramain after `16h`?

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 half - life of a radioactive isotope is always. ………………………… .

The half - life of a radioactive isotope is always. ………………………… .

The half-life of a radio-isotope is 3 min. What fraction of the number of these isotopes in a sample would remain intact after 15 min ?

The half-life period of a radioactive element is 1 h. After 3 h, what fraction of it will remain?

The half life period of a radioactive element is 4 s . What fraction of 100 g sample of this radioactive material will remain after 16 s ?