A fresbly prepared of a radioisotope of half - life `1386 s ` has activety `10^(3) ` disentegrations per second Given that in `2 = 0.693` the fraction of the initial number of nuclei (expressedin nearest integer percentage ) that will decay in the first `80 s ` after preparation of the sample is

A freshly prepared sample of a radioisotope of half - life 1386 s has activity 10^(3) disintegrations per second Given that ln 2 = 0.693 the fraction of the initial number of nuclei (expressed in nearest integer percentage ) that will decay in the first 80 s after preparation of the sample is

A freshly prepared sample of a radioisotope of half - life 1386 s has activity 10^(3) disintegrations per second Given that ln 2 = 0.693 the fraction of the initial number of nuclei (expressed in nearest integer percentage ) that will decay in the first 80 s after preparation of the sample is

A freshly prepared sample of a radioisotope of half - life 1386 s has activity 10^(3) disintegrations per second Given that ln 2 = 0.693 find the fraction of the initial number of nuclei (expressed in nearest integer percentage ) that will decay in the first 80 s after preparation of the 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?

A radioactive element is disintegrating having half-life 6.93 s. The fractional change in number of nuclei of the radioactive element during 10 s is

A radioactive element is disintegrating having half-life 6.93 s. The fractional change in number of nuclei of the radioactive element during 10 s is

C-11 is a radioisotope of carbon. Its half life is 20 minutes. What fraction of the initial number of C-11 atoms in a sample will have decayed away after 80 minutes ?

The rate of decay of a radioactive element at t=0 instant 10^(3) disintegrations per second. If the half life of the elements is Is, then the rate of decay after Is will be