Question

Which of the following radioisotope is used as anti-cancerous ?

• A. $\text{Na-24}$
• B. $\text{C-14}$
• C. $\text{U-235}$
• D. $\text{Co-60}$

Answer 1

The correct option is D $\text{Co-60}$

$\text{Co-60}$ is used as anti-cancerous among the given radioactive isotopes. It emits $\beta -$ particles and energetic gamma rays, for which reason it is used in radiation therapy.