The half-life of redioactive element is 600 yr. The fraction of sample that would remain after 3000 yr is

The half life of Ra is 1600 years. The fraction of a sample of Ra that would remain after 6400 years is

The half life of Ra is 1600 years. The fraction of a sample of Ra that would remain after 6400 years is

The half life of a radioactive elements is 10 yrs. Calculate the fraction of the sample left after 20 yrs.

The half-life period of radium is 1600 years. The fraction of a sample of radium that would remain after 6400 years is.

The half-life period of radium is 1600 years. The fraction of a sample of radium that would remain after 6400 years is.

The half life of a radioactive element is 5 min. The fraction of the sample of this isotope that will remain after 30 min is

The half-life of a certain radioactive isotope is 32 h .What fraction of a sample would ramain after 16h ?

The half-life of a certain radioactive isotope is 32 h .What fraction of a sample would ramain after 16h ?