An isotope of cobalt is used in the ______?

An isotope of cobalt is used in the ______?

کوبالٹ کا ایک آاسوٹوپ ______ میں استعمال ہوتا ہے؟
Explanation

Cobalt-60, an isotope of cobalt, is widely used in radiation therapy to treat cancer.

It emits gamma rays, which help destroy cancerous cells in medical treatments.