The half life period of a radioactive material is 15 minutes. What percent will remain after 45 minutes ?

The half life period of a radio active material is 15 minutes. What percentage of radioactivity of that material will remain after 45 minutes ?

The half life period of the radioactive is _15P^30 is

The half life period of the radioactive is ._15P^30 is

The half life period of a radioactive substance is 15 minutes. What per cent of radioactivity of that material will remain after 45 minutes ?

The half life period of a radioactive element is 90 minutes. What percentage of radioactive element will be present after 6 hours of decomposition ?

The half-life period of a first order reaction is 60 minutes. What percentage will be left after 240 minutes ?

The half-life period of a first order reaction is 60 min. What percentage will be left after 120 minutes?

The half-life period of a first order reaction is 600 s. What percent of A remains after 30 minutes ?

The half life period of radio active isotope is 5 minutes. The fraction of isotope, that will be remaining after 30 minutes is