The half life of `._92U^(238)` against `alpha` decay is `1.5xx10^(17)s`. What is the activity of the sample of `._92U^(238)` having `2.5xx10^(21)` atom?

The half life of ._92U^(238) against alpha -decay is 4.5xx10^9 years. What is the activity of 1g sample of ._92U^(238) ?

The half life of ._92C^(238) against alpha -decay is 4.5xx10^9 years. What is the activity of 1g sample of ._92C^(238) ?

The half life of "_92^238U against alpha-decay is 1.5 xx 10^17s . What is the activity of a sample of "_92^238U having 25 xx 10^20 atoms?

The decay rate of a radioactive sample is called its activity. The half life of U_92^238 against alpha decay is 1.5x 10^17s . Calculate the activity of a sample of U_92^238 having 25 x 10^21 atoms.

The half-life of ._(92)^(238)U undergoing alpha - decay is 4.5xx10^(9) years. What is the activity of 1g sample of ._(92)^(238)U ?

The half life of ""_(92)^(238)U against alpha - decay is 13.86xx10^(16) s . The activity of 1 g sample of is

The half-life of ._92^238U undergoing alpha -decay is 4.5xx10^9 year. What is the activity of 1 g. sample of ._92^238U ?