F) Activation of a radio substance in 25 days Decreases to 1. Half income of substance Calculate

Half-life of a radioactive substance is 2.9 days. Calculate the amount of 10 mg of substance left after 29 days.

A human body required 0.01M activity of a radioactive substance after 24 hours. Half life of the radioactive substance is 6 hours. The injection of maximum activity of the radioactive substance that can be injected is :

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?

The half-life of a radioactive substance is 40 days. A sample of it contains 1 mole nuclie. Calculate the number of disintegrations in the first second.

The half-life of a radioactive substance is 60 days. A sample of it contains 1 mole nuclide. Calculate the number of disintegrations in the first second.