Question

Please help answer these questions with explanations

Question 1

The knowledge of half life can be used to

A. Create an element

B.detect an element

C. Split an element

D. Irradiate an element

Question 2

Can radioisotopes be used for the following

i.treatment of cancer

ii. Detection of the ages of ancient tools

III. Detection of leakages in water pipes

Iv. Preparation of drugs.

Answer 1

1. B.detect an element
2. Radioisotopes can be used for all of the listed applications.