Explore BrainMass

Calculation of Radioactive Disintegration Constant

A radio active substance has a half life of 30 days. Calculate
(a) the radioactive disintegration constant (b) The average life
(c) the time taken for ¾ of the original number of atoms to disintegrate and
(d) the time taken for 1/8 of the original number of atoms to remain unchanged

Solution Preview

Please see the attached document also.

We have, T= 30 days
(a) The radioactive disintegration constant λ = 0.693/T = 0.0231 per day (Ans)

(b) Average life Ta = 1/λ ...

Solution Summary

Solution with detailed explanations as a word attachment.