How many disintegrations per second will occur in one gram of `._92U^(238)`, if its half life against alpha decay is `1.42xx10^(17)s` ?

How many disintegrations per second will Occur in one gram of ._(92)^(238)U , if its half-life against alpha - decay is 1.42xx10^(-17)s ?

What will be the activity of 0.5 g sample of ""_(92)U^(238) if its half-life against a-decay is 1.5 xx 10^(17) s?

Tha half-life of U^(238) against alpha decays is 1.42 xx 10^(17)s .How many disintengrations per second occur in 1 g of U^(238) ?Given,Avogadro umber =6.02 xx 10^(23) mol^(-1) .

Half life of ""^(226)Ra is 1600 years. How many distintegrations per second occur in 1 gram of ""^(226)Ra ?

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 against alpha - decay is 13.86xx10^(16) s . The activity of 1 g sample of is

Calculate the number of disintegrations per second of 1 g of a radioactive sample whose half-life is 1.4 xx 10^(16)s . The mass number of the sample is 238