If the radioactive decay constant of radium is $1.07 imes 10^{- 4}$ per year, then its half life period is approximately equal to

Question

If the radioactive decay constant of radium is $1.07 	imes 10^{- 4}$ per year, then its half life period is approximately equal to

Dr. Abubacker · Accepted Answer

(c) Half-life $T_{1/2} = \frac{0.693}{\lambda} = \frac{0.693}{1.07 	imes 10^{- 4}} = 6476\ years$