The decay constant for a given radioactive sample is 0.3465 `day^-1`. What percentage of this sample will get decayed in a period of 4 days?

The decay constant, for a given radioactive sample is (0.3465)/(day) . What percentage of this sample will get decayed in a period of 4 years?

The decay constant lambda of a radioactive sample:

The decay constant of a radioactive sample

The decay constant of a radioactive sample

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

The decay constant of a radioactive sample is lambda . The half-life and mean life of the sample respectively are

The decay constant of a radioactive sample is 1. The half life and mean life of the sample, respectively, are given by