The rate of disintegration of a radioactive substance falls from `(40)/(3)` dps to `(5)/(3)` dps in 6 hours. The half - life of the radioactive substance is

The rate of disintegration of a radioactive substance falls from 800 decay//min to 100 decay//min in 6 hourse. The half life of the radioactive substance is :

Define half-life of a radioactive substance.

Define half life of a radioactive substance.

Sixteen gram of a radioactive substance are reduced to 1 g in one hour. The half life period of the radioactive substance is :

Derive an expression for half life of a radioactive substance.

Eight grams of a radioactive substance is reduced to 0.5 g after 1 hour. The half life period of the radioactive substance is :

The activity of a radioactive substance becomes from 8000 Bq to 1000 Bq in 12 days . What is the half-life of the radioactive substance ?

Activity of a radioactive substance decreases from 8000 Bq to 1000 Bq in 9 days. What is the half-life and average life of the radioactive substance?

Activity of a radioactive substance decreases from 8000 Bq to 1000 Bq in 9 days. What is the half-life and average life of the radioactive substance?