# Calculation of Radioactive Disintegration Constant

Not what you're looking for? Search our solutions OR ask your own Custom question.

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 Â¾ 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

https://brainmass.com/physics/half-life/calculation-radioactive-disintegration-constant-6565

#### 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. The calculations of radioactive disintegration constants are given.

$2.49