The graph between number of decayed atoms `N'` of a radioactive element and time `t` is.

The graph between the instantaneous concentration (N) of a radioactive element and time (t) is.

The graph between the instantaneous concentration (N) of a radioactive element and time (t) is.

The rate of decay of radioactive element

99 % of a radioactive element will decay between

The graph between remaining radioactive atoms and time for a radioactive decay is

The plot of the number (N) of decayed atoms versus activity (R) of a radioactive substance is

The plot of the number (N) of decayed atoms versus activity (R) of a radioactive substance is

The decay constant of a radioactive element is defined as the reciprocal of the time interval after which the number of atoms of the radioactive element falls to neraly

The decay constant of a radioactive element is defined as the reciprocal of the time interval after which the number of atoms of the radioactive element falls to neraly

The decay constant of a radioactive element is definded as the reciprocal of the time interval after which the number of atoms of the radioactive element falls to nearly