They decay constant of radioactive element is `1.5xx10^(9)s^(-1)` Its mens-life (in second) will be

The decay constant of a radioactive element is 3 xx 10^(-6) min^- .Its half life is

The decay constant of a radioactive element is 1.05xx10^(-4) / year. What is its half life ?

The decay constant of a radioactive material is 5 xx 10^(-4) per year.find its half-life period.

The decay constant of radioactive substance is 4.33 xx 10^(-4) per year. Calculate its half life period .

The decay constant of a radioactive sample is lamda. Its half -life is T_(1//2) and mean life is T.

Decay constant of a reaction is 1.1 xx 10^(-9)//sec , then the half-life of the reaction is

The radioactive decay rate of a radioactive element is found to be 10^(3) disintegration per second at a certain time . If the half life of the element is one second , the decay rate after one second is?

At radioactive equilibrium, the ratio between two atoms of radioactive elements A and B is 3.1 xx 10^(9) : 1 . If the half-life period of A is 2 xx 10^(10) years, what is the half-life of B ?