Which of the following best describes the graph obtained when is plotted against time…
CHEMISTRY · Single correct · CBSE · Chemistry · Chemical Kinetics · Chemical Kinetics
Problem
Which of the following best describes the graph obtained when lnN is plotted against time t for a pure radioactive sample?
(a) Straight line with a positive slope
(b) Exponential decay curve approaching the time axis
(c) Straight line with a negative slope
(d) Straight line parallel to the time axis